“Silent Running” Original Soundtrack Album (LP-81072): Original soundtrack conducted by Peter Schickele, songs sung by Joan Baez. Originally released as Decca DL7-9188 in 1972, later rereleased by Varese Sarabande on a green LP, then reissued on CD in 2016 as Intrada Special Collection Volume ISC 369.
The 2016 CD reissue includes a 20-page booklet with photos from the film and a new essay with a history and track-by-track analysis.
- Original music composed and conducted by Peter Schickele
- Original songs sung by Joan Baez
 Rejoice In The Sun (sung by Joan Baez)
 The Space Fleet
 Rejoice In The Sun (instrumental)
 No Turning Back
 Driving Crazy
 Silent Running (sung by Joan Baez)
 The Dying Forest
 Tending To Huey
 Getting Ready
 Rejoice In The Sun (Reprise sung by Joan Baez)