Amacher, Maryanne, 1938–2009, American avant-garde composer, b. Kane, Pa. She studied composition with Georg Rochberg at the Univ. of Pennsylvania (B.F.A., 1964), and privately with Karlheinz Stockhausen . Amacher held residencies at several universities, including Bard College (2000–2009). Working (1974–80) with the dancer Merce Cunningham , she composed music for Torse (1976) and other works. Amacher collaborated (1975–84) with the composer John Cage on numerous projects, including a storm sequence for his multimedia Lecture on the Weather (1975). Her other works include City-Links #1–#22 (begun 1967), Music for Sound-Joined Rooms (begun 1980), Mini-Sound Series (begun 1985), and Petra (1991). Many of her works were site-specific installations designed to produce psychoacoustic effects involving both psychological responses and physiological impact.
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