(b London, 1939).
Eng. chorusmaster. Prof. début as bass in Prom. concert chorus, 1966. Bass, then manager, John Alldis Choir and Schütz Choir, 1970–86. Founder and dir. London Voices from 1973; founder and art. dir. Electric Phoenix from 1978; art. dir. London Sinfonietta Voices and Chorus from 1980. Chorusmaster for Solti in Verdi perfs. in Chicago 1987–9. Chorus dir. Royal Opera, CG, 1992–2004.