My Fair Lady provided the singing voice of Audrey Hepburn in the film version. A U.S. tour of Mackintosh's 2001 West End production ran from September 12, 2007, to June 22, 2008. The production starred Christopher Cazenove as Higgins, Lisa O'Hare as Eliza, Walter Charles as Pickering, Tim Jerome as Alfred Doolittle and Nixon as Mrs. Higgins, replacing Sally Ann Howes. An Australian tour produced by Opera Australia commenced in May 2008. The production starred Reg Livermore as Higgins, Taryn Fiebig as Eliza, Robert Grubb as Alfred Doolittle and Judi Connelli as Mrs Pearce. John Wood took the role of Alfred Doolittle in
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