However, in the single mix, the car engine sound was removed.

The album featured both the original version and a single mix.

The single mix was included on the 1967-1970 compilation album.

The video uses the single mix of the song.

In 1986, a 12" extended single mix of the song was released.

Track 17 taken from original 2-track master single mix (1971)

A single mix and remixes were commissioned but never released.

Any number of receivers can receive a single mix.

Unlike the album version, the single mix includes kit drums.

On the 2008 Singles box set, a mono album version was used instead of the single mix.