abstract:"I Could Have Danced All Night" is a song from the musical My Fair Lady, with music written by Frederick Loewe and lyrics by Alan Jay Lerner,"'My Fair Lady' Listing InternetBroadwayDatabase, accessed August 23, 2011 published in 1956. The song is sung by the musical's heroine, Eliza Doolittle, expressing her exhilaration and excitement after an impromptu dance with her tutor Henry Higgins.