A disc jockey (abbreviated DJ, D.J. or deejay) is a person who mixes recorded music as it is playing. Originally, the "disc" in "disc jockey" referred to gramophone records, but now "DJ" is used as an all-encompassing term to describe someone who mixes recorded music from any sources, including cassettes, CDs, or digital audio files on a CDJ or laptop. DJs typically perform for a live or broadcast audience, but DJs also create mixes that are recorded for later sale and distribution.
DJs use equipment that can play at least two sources of recorded music simultaneously and mix them together. This allows the DJ to create seamless transitions between recordings and develop unique mixes of songs. Often, this involves aligning the beats of the music sources so their rhythms do not clash when they are played together. DJ equipment also allows the DJ to preview a source of recorded music in headphones before playing it for the audience. Previewing the music in headphones helps the DJ pick the next track they want to play and cue up the track to the desired starting location so it will mix well with the currently playing music.
- 1 Types
- 2 Resident DJs
- 3 Equipment
- 4 Techniques
- 5 History
- 6 Photo gallery
- 7 In film
- 8 See also
- 9 Notes
- 10 References
- 11 External links
There are several types of disc jockey. Radio DJs or radio personalities introduce and play music that is broadcast on AM, FM, digital or Internet radio stations. Club DJs select and play music in bars, nightclubs or discothèques, or at parties or raves, or even in stadiums. Mobile DJs travel with portable sound systems and play recorded music at a variety of events. Some mobile DJs also serve as the master of ceremonies (MC) at weddings or other events, directing the attention of attendees, and maintaining a room-wide focus on what is included in the event's agenda. There are also many competitions for DJs that specialize in different turntablism techniques, such as mixing, hip hop music-style "scratching" or other kinds of techniques.
Other types of DJ use musical performance techniques that allow them to be categorized as performing musicians, depending on the situation. Hip hop DJs not only select and play music using multiple turntables (or other sound sources) to back one or more MCs or rappers, but they also perform turntable "scratching" to create rhythmic and percussive sounds. Hip hop DJs and are also often songwriters or music producers who use turntablism and sampling to create backing instrumentals for new tracks.
Many electronica artists and producers who also work as DJs often perform music by combining turntablism with keyboards or live electronics. Electronica, hip-hop or reggae DJs also often collaborate and play live music with bands and musicians from several musical genres (rock, heavy metal, jazz or even classical music), using turntables and electronics as musical instruments. According to a 2012 study, there are approximately 1¼ million professional disc jockeys in the world.
The tunes a DJ picks to play and the style in which they mix them defines a DJ's style. DJs are often connoisseurs of various music genres, and they often spend time in used record stores searching for rare or obscure tracks to use in their club sets. DJs also use DJ mixers to transition from song to song in different ways. One key technique used by DJs for seamlessly transitioning from one song to another is beatmatching. The DJ's style can and should be pliable, depending on what club he or she is playing in and what kind of music is expected of the DJ (e.g. a house music dance requires a different set list than a rave or a techno event). The DJ also has to "read" the mood of the dancers, and pick songs or styles of music that will keep the dancers on the dance floor.
A resident DJ performs at a venue on a regular basis or permanently. They would perform regularly (typically under an agreement) in a particular discotheque, a particular club, a particular event, or a particular broadcasting station. Residents have a decisive influence on the club or a series of events. Per agreement with the management or company, the DJ would have to perform under agreed times and dates. Typically, DJs perform as residents for two or three times in a week, for example, on Friday and Saturday. Also, DJs who make a steady income from a venue, are also considered resident DJs. Wynn Nightlife and Hakkasan are well known for hiring high-profile DJs as residents with 'skyrocketing pay'.
Notable Resident DJs
- Larry Levan - Paradise Garage, New York City
- Alfredo Fiorito - Amnesia, Ibiza
- Tama Sumo - Panorama Bar, Berlin
- David Mancuso - The Loft, New York
- Fish Go Deep - Cork, Ireland
- Tiësto - Hakkasan, Las Vegas
- Avicii - Encore Beach Club, Las Vegas
- Deadmau5 - Hakkasan, Las Vegas
- Calvin Harris - Hakkasan, Las Vegas
- Kaskade - Encore Beach Club, Las Vegas
- Skrillex - Mandalay Bay, Las Vegas
As music technology has progressed, DJs have adopted different types of equipment to play and mix music, all of which are still commonly used. Traditionally, DJs used two turntables plugged into a DJ mixer to mix music on vinyl records. As compact discs became popular media for publishing music, specialized high quality CD players known as CDJs were developed for DJs. CDJs can take the place of turntables or be used together with turntables. Many CDJs can now play digital music files from USB flash drives or SD cards in addition to CDs. With the spread of portable laptop, tablet, and smartphone computers, DJs began using software together with specialized sound cards and DJ controller hardware. DJ software can be used in conjunction with a hardware DJ mixer or be used instead of a hardware mixer.
Turntables allow DJs to play vinyl records. By adjusting the playback speed of the turntable, DJs can match the tempos of different records so their rhythms can be played together without clashing. This technique is known as beatmatching. DJs replace the rubber mat on turntables that keeps the record moving in sync with the turntable with a slipmat that facilitates manipulating the playback of the record by hand. Direct-drive turntables are the type preferred by DJs, with the Technics SL-1200 being the most popular model of turntables for DJs. Some DJs, most commonly those who play hip hop music, go beyond merely mixing records and use turntables as musical instruments for scratching, beat juggling, and other turntablism techniques.
CDJs are high quality digital media players made for DJing. They often have large jog wheels and pitch controls to allow DJs to manipulate the playback of digital files for beatmatching similar to how DJs manipulate vinyl records on turntables. CDJs often have features such as loops and waveform displays similar to DJ software. Originally designed to play music from compact discs, they now can play digital music files stored on USB flash drives and SD cards. Some CDJs can also connect to a computer running DJ software to act as a DJ controller.
DJ mixers are small audio mixing consoles specialized for DJing. Some DJs use a computer with DJ software and a DJ controller instead of a DJ mixer to mix music, although DJ software can be used in conjunction with a hardware DJ mixer.
DJs generally use higher quality headphones than those designed for music consumers. DJ headphones have other properties useful for DJs, such as designs that acoustically isolate the sounds of the headphones from the outside environment, flexible headbands and pivot joints to allow DJs to listen to one side of the headphones, and replaceable cables for durability.
Features of DJ Headphones
Closed back headphones are highly recommended for DJs to block outside noise as the environment of DJ usually tend to be very noisy. Standard headphones have 3.5mm jack but DJ equipment usually require ¼ inch jack. Most of specialized DJ Headphones have an adapter to switch between 3.5mm jack and ¼ inch jack. Detachable coiled cables are perfect for DJ Headphones.
As technological advances made it practical to store large collections of digital music files on a laptop computer, DJ software was developed so DJs could use a laptop as a source of music instead of transporting CDs or vinyl records to gigs. Unlike most music player software, DJ software can play at least 2 audio files simultaneously and displays the waveforms of the files on screen. The waveforms allow the DJ see what is coming next in the music and how the playback of different files is aligned. The software analyzes music files to identify their tempo and where the beats are. The analyzed information can be used by the DJ to help manually beatmatch like with vinyl records or the software can automatically synchronize the beats. Digital signal processing algorithms in software allow DJs to adjust the tempo of recordings independently of their pitch, a feature known as "keylock". Some software analyzes the loudness of the music for automatic normalization with ReplayGain and detects the musical key. Additionally, DJ software can store cue points, set loops, and apply effects.
DJ software requires specialized hardware in addition to a computer to fully take advantage of its features. The sound card integrated into most computer motherboards can only output 2 channels (1 stereo pair). However, DJs need to be able to output at least 4 channels (2 stereo pairs), either unmixed signals to send to a DJ mixer or a main output plus a headphone output. Additionally, DJ sound cards output higher quality signals than the sound cards built into computer motherboards.
Special vinyl records (or CDs/digital files played with CDJs) can be used with DJ software to play digital music files with DJ software as if they were pressed onto vinyl, allowing turntablism techniques to be used with digital files. These vinyl records do not have music recordings pressed on to them. Instead, they are pressed with a special signal, referred to as "timecode", to control DJ software. The DJ software interprets changes in the playback speed, direction, and position of the timecode signal and manipulates the digital files it is playing in the same way that the turntable manipulates the timecode record.
This requires a specialized DJ sound card with at least 4 channels (2 stereo pairs) of inputs and outputs. With this setup, the DJ software typically outputs unmixed signals from the music files to an external hardware DJ mixer. Some DJ mixers have integrated USB sound cards that allow DJ software to connect directly to the mixer without requiring a separate sound card.
DJ software can be used to mix audio files on the computer instead of a separate hardware mixer. When mixing on a computer, DJs often use a DJ controller device that mimics the layout of two turntables plus a DJ mixer to control the software rather than the computer keyboard & touchpad on a laptop, or the touchscreen on a tablet computer or smartphone. Many DJ controllers have an integrated sound card with 4 output channels (2 stereo pairs) that allows the DJ to use headphones to preview music before playing it on the main output.
- A microphone, so that the DJ can introduce songs and speak to the audience over the sound system.
- Electronic effects units such as delay, reverb, octave, equalizer, chorus, etc.
- Multi-stylus head shells, which allow a DJ to play different grooves of the same record at the same time.
- Samplers, sequencers, electronic musical keyboards (synthesizers), or drum machines.
Several techniques are used by DJs as a means to better mix and blend recorded music. These techniques primarily include the cueing, equalization and audio mixing of two or more sound sources. The complexity and frequency of special techniques depends largely on the setting in which a DJ is working. Radio DJs are less likely to focus on advanced music-mixing procedures than club DJs, who rely on a smooth transition between songs using a range of techniques. However, some radio DJs are experienced club DJs, so they use the same sophisticated mixing techniques. Club DJ turntable techniques include beatmatching, phrasing and slip-cueing to preserve energy on a dance floor. Turntablism embodies the art of cutting, beat juggling, scratching, needle drops, phase shifting, back spinning and more to perform the transitions and overdubs of samples in a more creative manner (although turntablism is often considered a use of the turntable as a musical instrument rather than a tool for blending recorded music). Professional DJs may use harmonic mixing to choose songs that are in compatible musical keys.
Recent advances in technology in both DJ hardware and software can provide assisted or automatic completion of some traditional DJ techniques and skills. Examples include phrasing and beatmatching, which can be partially or completely automated by utilizing DJ software that performs automatic synchronization of sound recordings, a feature commonly labelled "sync". Most DJ mixers now include a beat-counter which analyzes the tempo of an incoming sound source and displays its tempo in beats per minute (BPM), which may assist with beatmatching analog sound sources.
In the past, being a DJ has largely been a self-taught craft but with the complexities of new technologies and the convergence with music production methods, there are a growing number of schools and organizations that offer instruction on the techniques.
- For the history of club DJs, see History of DJing
- For the history of radio DJs, see Radio disc jockey history
The term "disc jockey" was ostensibly coined by radio gossip commentator Walter Winchell in 1935, and the phrase first appeared in print in a 1941 Variety magazine, used to describe radio personalities who introduced phonograph records on the air.
Playing recorded music for dancing and parties rose with the mass marketing of home phonographs in the late 19th century, and Jimmy Savile is credited with hosting the first live DJ dance party in 1943. Savile is also credited as the first to present music in continuous play by using multiple turntables. In 1947, the Whiskey A Go-Go opened in Paris as the first discoteque.
In the 1960s, Rudy Bozak began making the first DJ mixers, mixing consoles specialized for DJing. In 1974, Technics started making their SL-1200 turntable, which became the most popular turntable for DJs due to its high torque direct drive design. Hip hop DJs began using the Technics SL-1200s as musical instruments to manipulate records with turntablism techniques such as scratching and beat juggling rather than merely mixing records. Although Technics stopped producing the SL-1200 in 2010, they remain the most popular DJ turntable due to their high build quality and durability.
In 1998, the first MP3 digital audio player was released, the Eiger Labs MPMan F10. Final Scratch debuted at the BE Developer Conference, marking the first digital DJ system to allow DJs control of MP3 files through special time-coded vinyl records or CDs. While it would take sometime for this novel concept to catch on with the "die hard Vinyl DJs", This would soon become the first step in the new Digital DJ revolution. Manufacturers joined with computer DJing pioneers to offer professional endorsements, the first being Professor Jam (a.k.a. William P. Rader), who went on to develop the industry's first dedicated computer DJ convention and learning program, the "CPS (Computerized Performance System) DJ Summit", to help spread the word about the advantages of this emerging technology.
In 2001, Pioneer DJ began producing the CDJ-1000 CD player, making the use of digital music recordings with traditional DJ techniques practical for the first time. As the 2000s progressed, laptop computers became more powerful and affordable. DJ software, specialized DJ sound cards, and DJ controllers were developed for DJs to use laptops as a source of music rather than turntables or CDJs. In the 2010s, like laptops before them, tablet computers and smartphones became more powerful & affordable. DJ software was written to run on these more portable devices instead of laptops, although laptops remain the more common type of computer for DJing.
Jeff Mills, live with three Pioneer CDJs and a Roland TR-909 drum machine, 2007
Trance DJ Ferry Corsten in Canada
DJ Dougal and Gammer
- Berlin Calling – a German film about fictional DJ and producer Ickarus (Paul Kalkbrenner), who is struggling with drug abuse
- Speaking in Code – an American documentary film about techno artists Modeselektor, Wighnomy Brothers, Philip Sherburne, Monolake and David Day
- Kvadrat – a French and Russian documentary film about the realities of techno DJing, using the example of DJ Andrey Pushkarev
- It's All Gone Pete Tong – a fictional mockumentary Canadian movie about Frankie Wilde, a DJ who gradually becomes deaf due to drug abuse and an unhealthy lifestyle
- We Are Your Friends – an American fiction film about a college DJ trying to make it in the DJing scene with "one hit song", starring Zac Efron
- Scratch (2001 film) – a documentary about the hip-hop DJ and the 2000-era turntablist movement
- Tonkatsu DJ Agetarou – a Japanese anime, originally a manga, about a fictional character named Agetarou who aspires to be a DJ master with the help of his friends and mentor, Big Master Fry.
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