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
My Fair Lady Tony Llewellyn-Jones as Colonel Pickering, Deidre Rubenstein as Mrs. Pearce, and David Whitney as Karpathy (later Glen Hogstrom). According to Geoffrey Block, "Opening night critics immediately recognized that "My Fair Lady" fully measured up to the Rodgers and Hammerstein model of an integrated musical...Robert Coleman...wrote 'The Lerner-Loewe songs are not only delightful, they advance the action as well. They are ever so much more than interpolations, or interruptions.'" The musical opened to "unanimously glowing reviews, one of which said 'Don't bother reading this review now. You'd better sit right down and send for those tickets...' Critics praised the thoughtful use