Various Artists
Playback EP (Columbia AS7 1026)
Jeff Beck - Got The Feeling; Firesign Theatre - The Holygram’s Song; Mylon - Holy Smoke Doo Dah Band; Mahavishnu Orchestra - Meetings Of The Spirit [sic];  Grootna - Full Time Woman; Lesley Duncan - Help Me Jesus/Sing Children Sing
Note: A promotional EP featuring edited samples from current Columbia releases within a picture/text wraparound sleeve. The MO track is a 2:16 edit.

Open Country Joy / Celestial Terrestrial Commuters (Columbia 4-45836)
Note: 1973 US commercial release.

Open Country Joy / Celestial Commuters [sic] (CBS 1664)
Note: 1973 Spain commercial release with unique picture sleeve.

Celestial Terrestrial Commuters / Open Country Joy (CBS/Sony SOPB 215)
Note: 1973 Japan commercial release with unique picture sleeve.

Sister Andrea / Sister Andrea [edit] (Columbia AE7 1081)
Note: 1973 US radio promo.

Can’t Stand Your Funk / Eternity’s Breath Part 1 (Columbia 3-10134)
Note: US commercial release.

Can’t Stand Your Funk [Mono] / Can’t Stand Your Funk [Stereo] (Columbia 3-10134)
Note: US radio promo.

Can’t Stand Your Funk / Eternity’s Breath Part 1 (S CBS 3007)
Note: UK commercial release.