(b London, 1928).
Eng. critic and author, son of Guy Warrack. Freelance oboist 1951–4. Mus. critic Daily Telegraph 1954–61, Sunday Telegraph 1961–72. Art dir. Leeds Fest. 1978–83. Lect. in mus., Oxford Univ. 1984–93. Author of books on Weber and Tchaikovsky. Co‐author (with Harold Rosenthal), The Concise Oxford Dictionary of Opera (1964, 2nd edn. 1979, 3rd edn. 1996, with E. West); (with Ewan West), The Oxford Dictionary of Opera (1992); German Opera: From the Beginnings to Wagner (2001).