(Single-reeded aerophone with keys)
|Developed||28th June 1846|
In E♭: sounds a major sixth lower than written. Most modern alto saxophones can reach a high F♯
Military band family:
The alto saxophone is a member of the saxophone family of woodwind instruments invented by Belgian instrument designer Adolphe Sax in 1841. It is smaller than the tenor but larger than the soprano, and is the type most used in classical compositions. The alto and tenor are the most common types of saxophones.
The alto saxophone is an E♭ transposing instrument and reads the treble clef. A written C-natural sounds a major sixth lower (E♭) when played. Because the alto saxophone is a reed instrument, it is classified as a woodwind instrument.
The range of the alto saxophone is from concert D♭3 (the D♭ below middle C—see Scientific pitch notation) to concert A♭5 (or A5 on altos with a high F♯ key). As with most types of saxophones, the standard written range is B♭3 to F6 (or F♯6). Above that, the altissimo register begins at F♯ and extends upwards. The saxophone's altissimo register is more difficult to control than that of other woodwinds and is usually only expected from advanced players. By covering or partially covering the bell of the saxophone when playing B♭3, it is possible for the alto saxophone to reach A3 as well.
Alto saxophonists 
Notable alto saxophonists include jazz musicians Charlie Parker, Kenny Garrett, Jimmy Dorsey, Johnny Hodges, Art Pepper, Cannonball Adderley, Eric Dolphy, Sonny Stitt, David Sanborn, Ornette Coleman, Anthony Braxton, Phil Woods, John Zorn, and Paul Desmond. Classical musicians include Marcel Mule, Sigurd Raschèr, Jean-Yves Fourmeau, Lawrence Gwozdz, Frederick L. Hemke, Donald Sinta, Larry Teal, Jean-Marie Londeix, Kenneth Tse, Arno Bornkamp, Harry White, Otis Murphy, Claude Delangle, and Eugene Rousseau. The alto saxophone is included in classical music more often than the tenor, and many concertos for alto exist. The alto is used commonly in classical, jazz, and marching band music.
Some companies that currently produce saxophones are Buffet Crampon, KHS/Jupiter, Conn-Selmer, Selmer Paris, Yamaha, Leblanc/Vito, Keilwerth, and Yanagisawa. New alto saxophones range in price between US$200 for lower quality student models to over US$8000 for professional models.
In classical music 
The alto saxophone has an extensive classical solo repertoire that includes solos with orchestra, piano, and wind symphony. The most well-known solo compositions are Jacques Ibert's "Concertino da Camera" and Alexander Glazunov's "Concerto in E Flat major".
The alto saxophone is also occasionally used in orchestral compositions. Several of the major orchestral examples are listed below.
Gallery of Alto Saxophones 
Full range (from B♭ to F) chromatic scale
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Conn 6M "Lady Face" brass alto (dated 1935) in its original case
Grafton alto made of plastic, circa 1950s
- "June 28, 1846: Parisian Inventor Patents Saxophone". Wired.com. Retrieved 14 February 2011.
- "Range of the Alto Saxophone". Library.thinkquest.org. Retrieved 2011-01-18.
- Photo Gallery :: SaxPics.com