players; Boulez, Le Marteau sans maître (1955): alto flute, viola, vibraphone, xylorimba, guitar and percussion; Sur Incises (1996–98): three pianos, three harps, and three percussionists; Goeyvaerts, De Zang van Aquarius (The Song of Aquarius, 1984): eight bass clarinets. See also Concert band Brass section Keyboard section Percussion section String section Woodwind section Shorthand for orchestra instrumentation Hornbostel–Sachs instrument classification system References Bibliography Further reading Berlioz, Hector (1948). Treatise on Instrumentation, Enlarged and Revised by Richard Strauss, Including Berlioz' Essay "On Conducting", translated by Theodore Front. New York: E. F. Kalmus. (Reprint New York: Haskell House, 1969) External links ; Schubert: Piano Trio No. 2 in E-flat major, Trio Wanderer Musical instruments Music theory