sentences:  The sheet music of the "Blake's 7" theme was published by Chappell & Co. Ltd during 1978 with a photograph of "Liberator" on the front cover.A stereo re-recording of Dudley Simpson's theme music, in a markedly different arrangement to the original, was also released as a single, with "The Federation March" (a piece of incidental music from the episode "Redemption") on the B-side.The "Blake's 7" theme was also released on an album "BBC Space Themes", and "Liberator" was featured on the album sleeve.