Listen to I Could Have Danced All Night (From "My Fair Lady"): online. I Could Have Danced All Night (From "My Fair Lady"): is an English language song and is sung by The Sound of Musical Orchestra. I Could Have Danced All Night (From "My Fair Lady"):, from the album 42 Musicals, was released in the year 2010. The duration of the song is 2:30. Download English songs online from JioSaavn.