Musique concrète (French pronunciation: [myzik kɔ̃.kʁɛt], meaning "concrete music") is a form of electroacoustic music that is made in part from acousmatic sound. In addition to sounds derived from musical instruments or voices, it may use other sources of sound such as electronic synthesizers or sounds recorded from nature. Also, the structure of the compositions is not restricted to the normal musical rules of melody, harmony, rhythm, metre and so on. Originally contrasted with "pure" elektronische Musik (based solely on the production and manipulation of electronically produced sounds rather than recorded sounds), the theoretical basis of the style was developed by Pierre Schaeffer, beginning in the early 1940s.
In 1928 the music critic Andre Coeuroy, wrote in the Panorama of Contemporary Music that "perhaps the time is not far off when a composer will be able to represent through recording, music specifically composed for the gramophone" (Coeuroy 1928, 162). In the same period the American composer Henry Cowell, in referring to the projects of Nikolai Lopatnikoff, believed that "there was a wide field open for the composition of music for phonographic discs." This sentiment was echoed further in 1930 by Igor Stravinsky, when he stated in the revue Kultur und Schallplatte that "there will be a greater interest in creating music in a way that will be peculiar to the gramophone record." The following year, 1931, Boris de Schloezer also expressed the opinion that one could write for the gramophone or for the wireless just as one can for the piano or the violin (Battier 2007, 190). Shortly after, Rudolf Arnheim discussed the effects of microphonic recording in an essay entitled Radio, published in 1936. In it the idea of a creative role for the recording medium was introduced and Amheim stated that: "The rediscovery of the musicality of sound in noise and in language, and the reunification of music, noise and language in order to obtain a unity of material: that is one of the chief artistic tasks of radio" (Battier 2007, 193).
Pierre Schaeffer and Studio d'Essai 
In 1942 the French composer and theoretician Pierre Schaeffer, began his exploration of radiophony when he joined Jacques Copeau and his pupils in the foundation of the Studio d'Essai de la Radiodiffusion Nationale. The studio originally functioned as a center for the Resistance movement in French radio, which in August 1944 was responsible for the first broadcasts in liberated Paris. It was here that Schaeffer began to experiment with creative radiophonic techniques using the sound technologies of the time (Palombini 1993, 14).
The development of Schaeffer’s practice was informed by encounters with voice actors and microphone usage and radiophonic art played an important part in inspiring and consolidating Schaeffer's conception of sound based composition (Dack 1994, 3–11). Another important influence on Schaeffer’s practice was cinema and the techniques of recording and montage, which were originally associated with cinematographic practice, came to "serve as the substrate of musique concrète." Marc Battier notes that, prior to Schaeffer, Jean Epstein drew attention to the manner in which sound recording revealed what was hidden in the act of basic acoustic listening. Epstein's reference to this "phenomenon of an epiphanic being", which appears through the transduction of sound, proved influential on Schaeffer’s concept of reduced listening. Schaeffer would explicitly cite Jean Epstein with reference to his use of extra-musical sound material. Epstein had already imagined that "through the transposition of natural sounds, it becomes possible to create chords and dissonances, melodies and symphonies of noise, which are a new and specifically cinematographic music" (Battier 2007, 191).
Halim El-Dabh's tape music 
At around the same time as Schaeffer was conducting his preliminary experiments into sound manipulation, the Egyptian composer Halim El-Dabh, then a student in Cairo, was independently experimenting with tape music. He recorded the sounds of an ancient zaar ceremony using a cumbersome wire recorder and at the Middle East Radio studios processed the material using reverberation, echo, voltage controls, and re-recording. The resulting tape-based composition, entitled The Expression of Zaar, was presented in 1944 at an art gallery event in Cairo. El-Dabh has described his initial activities as an attempt to unlock "the inner sound" of the recordings. While his early compositional work was not widely known outside of Egypt at the time, El-Dabh would eventually gain recognition for his influential work at the Columbia-Princeton Electronic Music Center in the late 1950s (Holmes 2008, 156–57).
Club d 'Essai and Cinq études de bruits 
Following Schaeffer's work with Studio d'Essai at Radiodiffusion Nationale during the early 1940s he was credited with originating the theory and practice of musique concrète. The Studio d'Essai was renamed Club d 'Essai de la Radiodiffusion-Télévision Française (Anon. n.d.) in 1946 and in the same year Schaeffer discussed, in writing, the question surrounding the transformation of time perceived through recording. The essay evidenced knowledge of sound manipulation techniques he would further exploit compositionally. In 1948 Schaeffer formally initiated “research in to noises” at the Club d'Essai (Palombini 1993, 14) and on the 5th October 1948 the results of his initial experimentation were premiered at a concert given in Paris (Chion 1983). Five works for phonograph (known collectively as Cinq études de bruits—Five Studies of Noises) including Etude violette (Study in Purple) and Etude aux chemins de fer (Study of the Railroads), were presented.
Musique concrète 
By 1949 Schaeffer's compositional work was known publicly as musique concrète (Palombini 1993, 14). Schaeffer stated: "when I proposed the term 'musique concrète,' I intended … to point out an opposition with the way musical work usually goes. Instead of notating musical ideas on paper with the symbols of solfege and entrusting their realization to well-known instruments, the question was to collect concrete sounds, wherever they came from, and to abstract the musical values they were potentially containing" (Reydellet 1996, 10). According to Pierre Henry, "musique concrète was not a study of timbre, it is focused on envelopes, forms. It must be presented by means of non-traditional characteristics, you see … one might say that the origin of this music is also found in the interest in ‘plastifying’ music, of rendering it plastic like sculpture…musique concrète, in my opinion … led to a manner of composing, indeed, a new mental framework of composing" (James 1981, 79). Schaeffer had developed an aesthetic that was centred upon the use of sound as a primary compositional resource. The aesthetic also emphasised the importance of play (jeu) in the practice of sound based composition. Schaeffer's use of the word jeu, from the verb jouer, carries the same double meaning as the English verb play: 'to enjoy oneself by interacting with one's surroundings', as well as 'to operate a musical instrument' (Dack 2002).
Groupe de Recherche de Musique Concrète 
By 1951 the work of Schaeffer, composer-percussionist Pierre Henry, and sound engineer Jacques Poullin had received official recognition and The Groupe de Recherches de Musique Concrète, Club d 'Essai de la Radiodiffusion-Télévision Franglaise was established at RTF in Paris, the ancestor of the ORTF (Lange 2009, 173). At RTF the GRMC established the first purpose-built electroacoustic music studio. It quickly attracted many who either were or were later to become notable composers, including Olivier Messiaen, Pierre Boulez, Jean Barraqué, Karlheinz Stockhausen, Edgard Varèse, Iannis Xenakis, Michel Philippot, and Arthur Honegger. Compositional output from 1951 to 1953 comprised Étude I (1951) and Étude II (1951) by Boulez, Timbres-durées (1952) by Messiaen, Konkrete Etüde (1952) by Stockhausen, Le microphone bien tempéré (1952) and La voile d’Orphée (1953) by Henry, Étude I (1953) by Philippot, Étude (1953) by Barraqué, the mixed pieces Toute la lyre (1951) and Orphée 53 (1953) by Schaeffer/Henry, and the film music Masquerage (1952) by Schaeffer and Astrologie (1953) by Henry. In 1954 Varèse and Honegger visited to work on the tape parts of Déserts and La rivière endormie (Palombini 1999).
Between 1952 and 1956 Schaeffer's commitments to RTF led him to appoint Philippe Arthuys with responsibility for the GRMC, with Pierre Henry operating as Director of Works. Pierre Henry’s composing talent developed greatly during this period at the GRMC and he worked with experimental filmmakers such as Max de Haas, Jean Gremillon, Enrico Fulchignoni, and Jean Rouch, and with choreographers including Dick Sanders and Maurice Béjart (Gayou 2007, 206). Schaeffer returned to run the group at the end of 1957, and immediately stated his disapproval of the direction the GRMC had taken. A proposal was then made to "renew completely the spirit, the methods and the personnel of the Group, with a view to undertake research and to offer a much needed welcome to young composers" (Gayou 2007, 207).
Groupe de Recherches Musicales 
Following the emergence of differences within the GRMC Pierre Henry, Philippe Arthuys, and several of their colleagues, resigned in April 1958. Schaeffer created a new collective, called Groupe de Recherches Musicales (GRM) and set about recruiting new members including Luc Ferrari, François-Bernard Mâche, Iannis Xenakis, Bernard Parmegiani, and Mireille Chamass-Kyrou. Later arrivals included Ivo Malec, Philippe Carson, Romuald Vandelle, Edgardo Canton and François Bayle (Gayou 2007, 207).
GRM was one of several theoretical and experimental groups working under the umbrella of the Schaeffer-led Service de la Recherche at ORTF (1960–74). Together with the GRM, three other groups existed: the Groupe de Recherches Image GRI, the Groupe de Recherches Technologiques GRT and the Groupe de Recherches Langage which became the Groupe d’Etudes Critiques (Gayou 2007, 207). Communication was the one theme that unified the various groups, all of which were devoted to production and creation. In terms of the question "who says what to whom?" Schaeffer added "how?", thereby creating a platform for research into audiovisual communication and mass media, audible phenomena and music in general (including non-Western musics) (Beatriz Ferreyra, new preface to Schaeffer and Reibel 1967, reedition of 1998, 9). At the GRM the theoretical teaching remained based on practice and could be summed up in the catch phrase ‘do and listen’ (Gayou 2007, 207).
Schaeffer kept up a practice established with the GRMC of delegating the functions (though not the title) of Group Director to colleagues. Since 1961 GRM has had six Group Directors: Michel Philippot (1960–61), Luc Ferrari (1962–63), Bernard Baschet and François Vercken (1964–66). From the beginning of 1966, François Bayle took over the direction for the duration of thirty-one years, to 1997. He was then replaced by Daniel Teruggi (Gayou 2007, 206).
Traité des objets musicaux 
The group continued to refine Schaeffer's ideas and strengthened the concept of musique acousmatique (Peignot 1960, 111–23). Schaeffer had borrowed the term acousmatic from Pythagoras and defined it as: "Acousmatic, adjective: referring to a sound that one hears without seeing the causes behind it" (Schaeffer 1966, 91). In 1966 Schaeffer published the book Traité des objets musicaux (Treatise on Musical Objects) which represented the culmination of some 20 years of research in the field of musique concrète. In conjunction with this publication, a set of sound recordings was produced, entitled Le solfège de l'objet sonore (Music Theory of the Acoustic Object), to provide examples of concepts dealt with in the treatise.
The development of musique concrète was facilitated by the emergence of new music technology in post-war Europe. Access to microphones, phonographs, and later magnetic tape recorders (created in 1939 and acquired by the Schaeffer's Groupe de Recherche de Musique Concrète (Research Group on Concrete Music) in 1952), facilitated by an association with the French national broadcasting organization, at that time the Radiodiffusion-Télévision Française, gave Schaeffer and his colleagues an opportunity to experiment with recording technology and tape manipulation.
Initial tools of musique concrète 
In 1948, a typical radio studio consisted of a series of shellac record players, a shellac record recorder, a mixing desk, with rotating potentiometers, a mechanical reverberation, filters, and microphones. This technology made a number of limited operations available to a composer (Teruggi 2007):
- Shellac record players: could read a sound normally and in reverse mode, could change speed at fixed ratios thus permitting octave transposition.
- Shellac recorder: would record any result coming out of the mixing desk.
- Mixing desk: would permit several sources to be mixed together with an independent control of the gain or volume of the sound. The result of the mixing was sent to the recorder and to the monitoring loudspeakers. Signals could be sent to the filters or the reverberation unit.
- Mechanical reverberation: made of a metal plate or a series of springs that created the reverberation effect, indispensable to force sounds to ‘fuse’ together.
- Filters: two kinds of filters, 1/3 octave filters and, high and low-pass filters. They allow the elimination or enhancement of selected frequencies.
- Microphones: essential tool for capturing sound.
The application of the above technologies in the creation of musique concrete led to the development of a number of sound manipulation techniques including (Teruggi 2007):
- Sound transposition: reading a sound at a different speed than the one at which it was recorded.
- Sound looping: composers developed a skilled technique in order to create loops at specific locations within a recording.
- Sound-sample extraction: a hand-controlled method that required delicate manipulation to get a clean sample of sound. It entailed letting the stylus read a small segment of a record. Used in the Symphonie pour un homme seul.
- Filtering: by eliminating most of the central frequencies of a signal, the remains would keep some trace of the original sound but without making it recognisable.
Magnetic tape 
The first tape recorders started arriving at ORTF in 1949; however, their functioning was much less reliable than the shellac players, to the point that the Symphonie pour un homme seul, which was composed in 1950–51, was mainly composed with records, even if the tape recorder was available (Teruggi 2007, 216). In 1950, when the machines finally functioned correctly, the techniques of musique concrete were expanded. A range of new sound manipulation practices were explored using improved media manipulation methods and operations such as speed variation. A completely new possibility of organising sounds appears with tape editing, which permits tape to be spliced and arranged with an extraordinary new precision. The ‘axe-cut junctions’ were replaced with micrometric junctions and a whole new technique of production, less dependency on performance skills, could be developed. Tape editing brought a new technique called ‘micro-editing’, in which very tiny fragments of sound, representing milliseconds of time, were edited together, thus creating completely new sounds or structures (Teruggi 2007, 217).
Development of novel devices 
During the GRMC period from 1951–1958 time Schaeffer and Jacques Poullin developed a number of novel sound creation tools including a three-track tape recorder, a machine with ten playback heads to replay tape loops in echo (the morphophone), a keyboard-controlled machine to replay tape loops at twenty-four preset speeds (the keyboard, chromatic, or Tolana phonogène), a slide-controlled machine to replay tape loops at a continuously variable range of speeds (the handle, continuous, or Sareg phonogène), and a device to distribute an encoded track across four loudspeakers, including one hanging from the centre of the ceiling (the potentiomètre d’espace) (Palombini 1999).
The phonogène 
Speed variation was a powerful tool for sound design applications. It had been identified that transformations brought about by varying playback speed lead to modification in the character of the sound material:
- Variation in the sounds' length, in a manner directly proportional to the ratio of speed variation.
- Variation in length is coupled with a variation in pitch, and is also proportional to the ratio of speed variation.
- A sounds attack characteristic is altered, whereby it is either dislocated from succeeding events, or the energy of the attack is more sharply focused.
- The distribution of spectral energy is altered, thereby influencing how the resulting timbre might be perceived, relative to its original unaltered state.
The phonogène was a machine capable of modifying sound structure significantly and it provided composers with a means to adapt sound to meet specific compositional contexts. The initial phonogènes were manufactured in 1953 by two subcontractors: the chromatic phonogène by a company called Tolana, and the sliding version by the SAREG Company (Poullin 1999). A third version was developed later at ORTF. An outline of the unique capabilities of the various phonogènes can be seen here:
- Chromatic: The chromatic phonogène was controlled through a one-octave keyboard. Multiple capstans of differing diameters vary the tape speed over a single stationary magnetic tape head. A tape loop was put into the machine, and when a key was played, it would act on an individual pinch roller / capstan arrangement and cause the tape to be played at a specific speed. The machine worked with short sounds only (Poullin 1999).
- Sliding: The sliding phonogène (also called continuous-variation phonogène) provided continuous variation of tape speed using a control rod (Poullin 1999). The range allowed the motor to arrive at almost a stop position, always through a continuous variation. It was basically a normal tape recorder but with the ability to control its speed, so it could modify any length of tape. One of the earliest examples of its use can by heard in Voile d’Orphée by Pierre Henry (1953), where a lengthy glissando is used to symbolise the removal of Orpheus's veil as he enters hell.
- Universal: A final version called the universal phonogène was completed in 1963. The device's main ability was that it enabled the dissociation of pitch variation from time variation. This was the starting point for methods that would later become widely available using digital technology, for instance harmonising (transposing sound without modifying duration) and time stretching (modifying duration without pitch modification). This was obtained through a rotating magnetic head called the Springer temporal regulator, an ancestor of the rotating heads used in video machines.
The three-head tape recorder 
This original tape recorder was one of the first machines permitting the simultaneous listening of several synchronised sources. Until 1958 musique concrète, radio and the studio machines were monophonic. The three-head tape recorder superposed three magnetic tapes that were dragged by a common motor, each tape having an independent spool. The objective was to keep the three tapes synchronised from a common starting point. Works could then be conceived polyphonically, and thus each head conveyed a part of the information and was listened to through a dedicated loudspeaker. It was an ancestor of the multi-track player (four then eight tracks) that appeared in the 1960s. Timbres Durées by Olivier Messiaen with the technical assistance of Pierre Henry was the first work composed for this tape recorder in 1952. A rapid rhythmic polyphony was distributed over the three channels (Teruggi 2007, 218).
The morphophone 
This machine was conceived to build complex forms through repetition, and accumulation of events through delays, filtering and feedback. It consisted of a large rotating disk, 50 cm in diameter, on which was stuck a tape with its magnetic side facing outward. A series of twelve movable magnetic heads (one each recording head and erasing head, and ten playback heads) were positioned around the disk, in contact with the tape. A sound up to four seconds long could be recorded on the looped tape and the ten playback heads would then read the information with different delays, according to their (adjustable) positions around the disk. A separate amplifier and band-pass filter for each head could modify the spectrum of the sound, and additional feedback loops could transmit the information to the recording head. The resulting repetitions of a sound occurred at different time intervals, and could be filtered or modified through feedback. This system was also easily capable of producing artificial reverberation or continuous sounds (Teruggi 2007, 218).
Early sound spatialisation system 
At the premiere of Pierre Schaeffer's Symphonie pour un homme seul in 1951, a system that was designed for the spatial control of sound was tested. It was called a "relief desk" (pupitre de relief, but also referred to as pupitre d'espace or potentiomètre d'espace) and was intended to control the dynamic level of music played from several shellac players. This created a stereophonic effect by controlling the positioning of a monophonic sound source (Teruggi 2007, 218). One of five tracks, provided by a purpose-built tape machine, was controlled by the performer and the other four tracks each supplied a single loudspeaker. This provided a mixture of live and preset sound positions (Poullin, 1957). The placement of loudspeakers in the performance space included two loudspeakers at the front right and left of the audience, one placed at the rear, and in the centre of the space a loudspeaker was placed in a high position above the audience. The sounds could therefore be moved around the audience, rather than just across the front stage. On stage, the control system allowed a performer to position a sound either to the left or right, above or behind the audience, simply by moving a small, hand held transmitter coil towards or away from four somewhat larger receiver coils arranged around the performer in a manner reflecting the loudspeaker positions (Teruggi 2007, 218). A contemporary eyewitness described the potentiomètre d'espace in normal use:
One found one’s self sitting in a small studio which was equipped with four loudspeakers—two in front of one—right and left; one behind one and a fourth suspended above. In the front center were four large loops and an “executant” moving a small magnetic unit through the air. The four loops controlled the four speakers, and while all four were giving off sounds all the time, the distance of the unit from the loops determined the volume of sound sent out from each.
The music thus came to one at varying intensity from various parts of the room, and this “spatial projection” gave new sense to the rather abstract sequence of sound originally recorded. (Gradenwitz 1953)
The central concept underlying this method was the notion that music should be controlled during public presentation in order to create a performance situation; an attitude that has stayed with acousmatic music to the present day (Teruggi 2007, 218).
The Coupigny synthesiser and Studio 54 mixing desk 
After the longstanding rivalry with the "electronic music" of the Cologne studio had subsided, in 1970 the GRM finally created an electronic studio using tools developed by the physicist Enrico Chiarucci, called the Studio 54, which featured the "Coupigny modular synthesiser" and a Moog synthesiser with VCA (Gayou 2007, 208). The Coupigny synthesiser, named for its designer François Coupigny, director of the Group for Technical Research (Battier 2007, 200), and the Studio 54 mixing desk had a major influence on the evolution of GRM and from the point of their introduction on they brought a new quality to the music (Teruggi 2007, 220). The mixing desk and synthesiser were combined in one unit and were created specifically for the creation of musique concrète.
The design of the desk was influenced by trade union rules at French National Radio that required technicians and production staff to have clearly defined duties. The solitary practice of musique concrète composition did not suit a system that involved three operators: one in charge of the machines, a second controlling the mixing desk, and third to provide guidance to the others. Because of this the synthesiser and desk were combined and organised in a manner that allowed it to be used easily by a composer. Independently of the mixing tracks (twenty-four in total), it had a coupled connection patch that permitted the organisation of the machines within the studio. It also had a number of remote controls for operating tape recorders. The system was easily adaptable to any context, particularly that of interfacing with external equipment (Teruggi 2007, 219).
Before the late 1960s the musique concrète produced at GRM had largely been based on the recording and manipulation of sounds, but synthesised sounds had featured in a number of works prior to the introduction of the Coupigny. Pierre Henry had used oscillators to produce sounds as early as 1955. But a synthesiser with parametrical control was something Pierre Schaeffer was against, since it favoured the preconception of music and therefore deviated from Schaeffer's principal of ‘making through listening’ (Teruggi 2007, 219). Because of Schaeffer's concerns the Coupigny synthesiser was conceived as a sound-event generator with parameters controlled globally, without a means to define values as precisely as some other synthesisers of the day (Teruggi 2007, 219–20).
The development of the machine was constrained by several factors. It needed to be modular and the modules had to be easily interconnected (so that the synthesiser would have more modules than slots and it would have an easy-to-use patch). It also needed to include all the major functions of a modular synthesiser including oscillators, noise-generators, filters, ring-modulators, but an intermodulation facility was viewed as the primary requirement; to enable complex synthesis processes such as frequency modulation, amplitude modulation, and modulation via an external source. No keyboard was attached to the synthesiser and instead a specific and somewhat complex envelope generator was used to shape sound. This synthesiser was well-adapted to the production of continuous and complex sounds using intermodulation techniques such as cross-synthesis and frequency modulation but was less effective in generating precisely defined frequencies and triggering specific sounds (Teruggi 2007, 220).
The Coupigny synthesiser also served as the model for a smaller, portable unit, which has been used down to the present day (Battier 2007, 200).
The Acousmonium 
In 1966 composer and technician François Bayle was placed in charge of the Groupe de Recherches Musicales and in 1975, GRM was integrated with the new Institut national de l'audiovisuel (INA - Audiovisual National Institute) with Bayle as its head. In taking the lead on work that began in the early 1950s, with Jacques Poullin's potentiomètre d’espace, a system designed to move monophonic sound sources across four speakers, Bayle and the engineer Jean-Claude Lallemand created an orchestra of loudspeakers (un orchestra de haut-parleurs) known as the Acousmonium in 1974. An inaugural concert took place at the Espace Pierre Cardin in Paris with a presentation of Bayle's Expérience acoustique (Gayou 2007, 209).
The Acousmonium is a specialised sound reinforcement system consisting of between 50 and 100 loudspeakers, depending on the character of the concert, of varying shape and size. The system was designed specifically for the concert presentation of musique-concrète-based works but with the added enhancement of sound spatialisation. Loudspeakers are placed both on stage and at positions throughout the performance space (Gayou 2007, 209) and a mixing console is used to manipulate the placement of acousmatic material across the speaker array, using a performative technique known as sound diffusion (Austin 2000, 10-21). Bayle has commented that the purpose of the Acousmonium is to "substitute a momentary classical disposition of sound making, which diffuses the sound from the circumference towards the centre of the hall, by a group of sound projectors which form an ‘orchestration’ of the acoustic image" (Bayle 1993, 44).
Other notable composers 
- Michel Chion
- Hugh Le Caine
- Delia Derbyshire
- Francis Dhomont
- Tod Dockstader
- Denis Dufour
- Jean-Claude Éloy
- Jonty Harrison
- Otto Luening
- Robert Normandeau
- Eliane Radigue
- Denis Smalley
- Vladimir Ussachevsky
- Trevor Wishart
- Christian Zanesi
See also 
- Birmingham ElectroAcoustic Sound Theatre
- Canadian Electroacoustic Community
- Computer music
- Experimental music
- Noise (music)
- Sound engineering
- Sound design
- Sound art
- Sound collage
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- Austin, Larry, and Denis Smalley (2000). "Sound Diffusion in Composition and Performance: An Interview with Denis Smalley". Computer Music Journal 24, no. 2 (Summer): 10–21.
- Battier, Marc (2007). "What the GRM Brought to Music: From Musique Concrète to Acousmatic Music". Organised Sound 12, no. 3 (December: Musique Concrète's 60th and GRM's 50th birthday—A Celebration): 189–02.
- Bayle, François (1993). Musique acousmatique, propositions ... positions. Paris: INA-GRM Buche/Chastel.
- Chion, Michel. (1983). Guide des objets sonores, Pierre Schaeffer et la recherche musicale, Ina-GRM/Buchet-Chastel, Paris.
- André Coeuroy (1928). Panorama de la musique contemporaine, édition revue et augmentée. Paris: Kra.
- Dack, John (2002). "Technology and the Instrument". In Musik Netz Werke: Konturen der neuen Musikkultur, edited by Lydia Grün and Frank Wiegand, 39–54. Bielefeld: Transcript Verlag. ISBN 3-933127-98-X.
- Dack, John (1994). "Pierre Schaeffer and the Significance of Radiophonic Art." Contemporary Music Review 10, no. 2:3-11.
- Emmerson, Simon (2007). Living Electronic Music. Aldershot (Hants.), Burlington (VT): Ashgate. ISBN 0-7546-5546-6 (cloth) ISBN 0-7546-5548-2 (pbk).
- Gayou, Évelyne. (2007). "The GRM: Landmarks on a Historic Route". Organised Sound 12, no. 3):203–11.
- Gradenwitz, Peter (1953). "Experiments in Sound: Ten-Day Demonstrationin Paris Offers the Latest in 'Musique Concrète'". New York Times (9 August).
- Holmes, Thom (2008). Electronic and experimental music: technology, music, and culture (3rd ed.). Taylor & Francis. ISBN 0-415-95781-8. Retrieved 2011-06-04.
- Jaffrennou, Pierre-Alain. 1998. "De la scénographie sonore". In Le son et l'espace: 1ères Rencontres musicales pluridisciplinaires, Lyon, 1995, edited by Hugues Genevois and Yann Orlarey, 143–56. Musique et sciences. Lyon: GRAME & Aléas. ISBN 2-908016-96-6.
- James, Richard S. (1981). Interview with Pierre Henry, cited in "Expansion of Sound Resources in France, 1913–1940, and Its Relationship to Electronic Music". doctoral thesis, University of Michigan, note 91, p. 79.
- Lange, A. Musique concrète & Early Electronic Music in Young, Rob (ed.) The Wire Primers: A Guide To Modern Music. London: Verso, 2009. pp. 173–180
- Manning, Peter (1985) Electronic and Computer Music, Oxford: Clarendon Press; New York: Oxford University Press. ISBN 0-19-311918-8
- Palombini, Carlos (1999). "Musique Concrète Revisited". Electronic Musicological Review 4 (June): Federal University of Paraná, Brazil.
- Palombini, Carlos (1993). "Machine Songs V: Pierre Schaeffer: From Research into Noises to Experimental Music". Computer Music Journal 17, no. 3 (Autumn): 14-19.
- Peignot, J. (1960). "De la musique concrète à l'acousmatique". Esprit, No. 280.
- Poullin, Jacques (1957) The Application of Recording Techniques to the Production of New Musical Materials and Forms. Applications to ‘Musique Concrete’. National Research Council of Canada Technical Translation TT-646, Translated by D. A. Sinclair from the original in L’Onde Électrique 34, no. 324 (1954): 282–91. Ottawa: National Research Council of Canada.
- Poullin, Jacques (1999). "L’apport des techniques d’enregistrement dans la fabrication de matieres et de formes musicales nouvelles: applications à la musique concrete". Ars Sonora, no. 9. [this appears to be the text of the original 1954 article]
- Reydellet, Jean de (1996). "Pierre Schaeffer, 1910-1995: The Founder of 'Musique Concrete'". Computer Music Journal 20, no. 2 (Summer): 10-11.
- Schaeffer, Pierre (1952), A la recherche d’une musique concrète. Éditions du Seuil, Paris 1952
- Schaeffer, Pierre (1966), Traité des objets musicaux. Paris: Le Seuil.
- Schaeffer, Pierre, and G. Reibel (1967). Solfege de l'objet sonore, Reedition 1998, preface by Daniel Teruggi, Guy Reibel, and Beatriz Ferreyra. Paris: Coedition Ina-Publications.
- Teruggi, Daniel (2007). "Technology and Musique Concrete: The Technical Developments of the Groupe de Recherches Musicales and Their Implication in Musical Composition". Organised Sound 12, no. 3:213–31.
Further reading 
- Dack, John (1994). "Pierre Schaeffer and the Significance of Radiophonic Art". Contemporary Music Review 10, no. 2: 3–11.
- Dack, John (1993a). "La Recherche de l'Instrument Perdu". Electroacoustic Music: Journal of the Electroacoustic Music Association of Great Britain 7:[page needed].
- Dwyer, Terence (1971). Composing with Tape Recorders: Musique Concrète for Beginners. London and New York: Oxford University Press. ISBN 0-19-311912-9.
- Kane, Brian (2007). "L’Objet Sonore Maintenant: Pierre Schaeffer, Sound Objects and the Phenomenological Reduction". Organised Sound, 12, no.1:15–24.
- Schaeffer, Pierre (1952b). "L'objet musical". La Revue Musicale: L'œuvre du XXe siècle, no. 212: 65-76.
- Schaeffer, Pierre (1967). La musique concrète. Paris: Presses Universitaires de France.
- INA-GRM website
- musique concrète at Allmusic
- François Bayle's personal website
- Michel Chion official site
- Electroacoustic Music Studies Network
- Bernard Parmegiani's personal website
- ElectroAcoustic Resource Site at De Montfort University
- INA-GRM 31st Season (2008/2009). Multiphonies program of events.
- Organised Sound: An International Journal of Music and Technology.
- Audium A Theatre Of Sound-Sculptured Space