This song was written by Vivian Stanshall and Neil Innes. It was first recorded by The Bonzo Dog Doo-Dah Band in 1967. It was released on their debut album Gorilla. The Beatles were fans of The Bonzo Dog Doo-Dah Band and the band appeared in The Beatles’ 1967 movie Magical Mystery Tour. In the movie they perform Death Cab For Cutie.