 The film's original theatrical trailer contains snippets of Rose's score, the tapes of which Rose reportedly later destroyed.The Barrons finally released their soundtrack in 1976 as an LP album for the film's 20th anniversary; it was on their very own Planet Records label (later changed to Small Planet Records and distributed by GNP Crescendo Records).The LP was premiered at MidAmeriCon, the 34th World Science Fiction Convention, held in Kansas City, MO over the 1976 Labor Day weekend, as part of a 20th Anniversary celebration of "Forbidden Planet" held at that Worldcon; the Barrons were there promoting their album's first release, signing all the copies sold at the convention.