(b Marquette, Mich., 1917; d San Diego, 1997). Amer. composer. Teacher at S. Francisco Cons. 1957–66 and at Univ. of Calif., San Diego, from 1967. Began as 12-note composer but changed course in 1957 with his str. qt. No.2 where he showed new interest in qualities of sound which led him to introduce improvisation into his Chamber Concerto (1960) and pf. conc. (1963). He began to use tape in 1964, employing musique concrète processes. Works comp. in this idiom incl. Ricercar, 3 db. (1967); Pacific Sirens, 10–14 instr. on tape (1968); High Flyer, amplified fl. (1969). Later works incl. Rainbow Rising (1974); Garden, vn., orch. (1977); East of the Beach, small orch. (1980); Auroras, orch. (1982); Sierra, ten. or bar., chamber orch. (1984); Solstice, str. qt. (1984–5); Dunbar's Delight, timp. (1985); Trio, cl., vc., hp. (1986); Fives, va., vc., ca., bcl., pf. (1988); Music for Tpt., Str., Timp. (1990).
From The Concise Oxford Dictionary of Music in Oxford Reference.