(b Lahr, 1930).
Ger. composer. Entered Lutheran church; teacher of religion in Frankfurt 1963–70. Believes in theory that mus. can only be saved through abandonment. Hence works incl. non‐mus. sounds and noises, and his Nostalgie (Visible Music II), 1962, is for cond. only. Other orch. works incl. Webern‐Variationen (1972); Canones (1975–7, 1993–4); Schubert‐Phantasie (1977–8); Wagner‐Idyll (1980); Beethoven‐Sinfonie (1984–5); Mahler‐Moment (1984–5); Sinfonie X, cont., orch., elecs. (1987–92, 2004–5); Hymnus, pf. conc. from Symfonie X, (1989–92); Medusa, accordeon (1989–93); Languido, bfl., elec. (1993); Museumsstücke II (MoMA), vv., instr. (1994). inter, small orch. (1994); Totentanz, 2 spkrs., sop., bass, ch., orch./elec. (1994); Toccata and Fugue, org. (1995–6); Jo, gui., fl., perc. (1996); Ekstasis, sop., narr., 2 children's vv., perc., ch., orch. (1997); Motetus II, 2 unacc. ch. (1997–8); Aschermittwochmusik, ch., org., perc. (2005). Has written books on K. Stockhausen (1963–71) and Kagel (1970).