What makes Third by Soft Machine notable?

'Third' is noteworthy for its critical acclaim and its role in defining the jazz-rock genre, influencing subsequent progressive rock acts. The album was well-received upon release, often highlighted in retrospectives as a pioneering work that pushed musical boundaries. Released on June 6, 1970, 'Third' marked Soft Machine's third album during a period of significant artistic evolution. Following their earlier works, this album showcased a shift towards more extended compositions and complex arrangements, reflecting their deepening commitment to avant-garde experimentation within the Canterbury scene.