27′10.554″ for a Percussionist (1956)

Pre-recorded tape may be used. May be performed with 26′1.1499″ for a String Player, 31′57.9864″ for a Pianist, 34′46.776″ for a Pianist, and 45′ for a Speaker, either as a solo or to form an ensemble piece for any combination of pianists, string players, percussionists, and speaker.