This song was written by Irving Berlin. It was recorded by Ethel Merman in 1954. John Lennon sang part of the song during the 1967 movie Magical Mystery Tour. Mary Hopkin recorded the song in 1968. The recording features George Martin on piano. The recording also features The Mike Cotton Sound conducted by Paul McCartney. The song was produced by Paul McCartney and was released on Mary Hopkin’s 1969 album Post Card.