What makes Seven by Soft Machine notable?

'Seven' is notable for its distinct departure from traditional song structures, influencing future generations of progressive rock and jazz fusion artists. The album's avant-garde approach received positive critical reception, solidifying Soft Machine's reputation as pioneers in blending jazz and rock genres during the early 1970s. Released in January 1973, 'Seven' was Soft Machine's fifth studio album, following their breakthrough with 'Fourth' in 1971. At this point, the band had undergone significant lineup changes and was experimenting with more complex compositions and instrumental interplay, marking a shift towards a more progressive sound within the Canterbury scene.