My Fair Lady is the original studio cast recording of the 1956 Broadway musical of the same name, released by Columbia Records. The musical is based on George Bernard Shaw's Pygmalion, with music by Frederick Loewe and lyrics and book by Alan Jay Lerner, and introduced songs like "I Could Have Danced All Night", "The Rain in Spain" and "On the Street Where You Live" to a global audience. No. 1 on the Billboard 200 for 2 weeks, from the issue of April 7, 1958. Wiki link