As a test piece for entrance to the Paris Conservatoire, Olivier Messiaen wrote Le Merle Noir for this instrument.
One piece for this instrument has six numbered sections centered on the note A which must be played in a fixed order, interspersed with five lettered sections which may be played in any order. The first notated multiphonic for this instrument was a G-C perfect fourth from Luciano Berio's Sequenza I. Brian Ferneyhough wrote Cassandra's Dream Song for this instrument. Another piece for it is built out of a modal and an atonal motif, and begins F-E-F sharp. As a test piece for entrance to the Paris Conservatoire, Olivier Messiaen wrote Le Merle Noir for this instrument. For a platinum one of these instruments, Edgard Varèse wrote Density 21.5. For 10 points, name this instrument for which Claude Debussy wrote Syrinx and the opening solo of Prelude to the Afternoon of a Faun.
One piece for this instrument has six numbered sections centered on the note
flute