"Revolution" is the name of a song performed by the London psychedelic rock group Tomorrow. It was first released on a single in the U.K. by Parlophone in September 1967 and later on the group's self titled album Tomorrow in February 1968. The song is credited to Keith Alan Hopkins (better known as Keith West) and Steve Howe. Though Tomorrow's song was not a hit the group was well known to insiders of the London music scene.