Columbia Masterworks Records by John Gielgud—the longest-running "Hamlet" in Broadway history to date. Columbia Masterworks' most successful Broadway album was the original cast recording of "My Fair Lady" (OL-5090, 1956), starring Rex Harrison, Julie Andrews, Stanley Holloway and Robert Coote. This first album was issued only in mono, but the first stereo recording of "My Fair Lady"—featuring the same four stars, this time with the London cast—followed in 1959. And in 1964, Columbia Masterworks issued the film soundtrack album of the show, starring Rex Harrison and Audrey Hepburn's "singing voice", Marni Nixon. The most successful film soundtrack release on Columbia Masterworks was the
West Side Story (soundtrack) contains "beefier orchestration". In her autobiography, "I Could Have Sung All Night", Marni Nixon spoke of singing the role of Maria and of her observations of some of the other singers whose voices were dubbed into the film. According to Nixon, very little of the singing on the soundtrack was contributed by the on-screen top-billing stars of the film; while George Chakiris provided vocals for the character of Bernardo, Nixon claims, even Russ Tamblyn's voice was dubbed over by Tucker Smith because Tamblyn had contractual obligations with MGM Records. (While the film was released by United Artists, the soundtrack album