High Quality Content by WIKIPEDIA articles! "Blue Moon" is a classic popular song. It was written by Richard Rodgers and Lorenz Hart in 1934, and has become a standard ballad. The song has been covered as a released single by artists such as Billie Holiday, and Mel Torme. In popular culture, the song has featured in musical films such as Grease and Blue Moon is generally regarded as the anthem of Manchester City Football Club.