Critic Score
Based on 2 reviews
1971 Ratings: #125 / 213
User Score
Based on 98 ratings
1971 Ratings: #252
February 28, 1971 / Release Date
LP / Format
CBS, Columbia, Barclay, Epic / Label
Soft MachineProducer
Full Credits
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Critic Reviews

90
AllMusic

Soft Machine's collective skill is hyper-complex and refined, as they are extremely literate in all fields of musical study. Fourth is the band's free purging of all of that knowledge, woven into noisy, smoky structures of sound.

FaradE5150
92

Criminally underrated, visibly overshadowed by it's predecessor, but it's really on par. Actual perfection

hausenger
60

valuable, ★★★½

dnb_tim
75

Having listened to Soft Machine’s first four albums, it’s been very interesting to see their evolution from their psychedelic roots to where they land on this album. Through their second and third albums, they leaned more into jazz, and became jazzier the further they went, and now they’ve fully embraced jazz fusion with this album. It has a distinct experimental edge, with moments that remind me of John Zorn’s avant garde style. Overall, it’s a really solid album, ... read more

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