What makes The Grass Is Greener by Colosseum notable?

This album is significant for its blending of jazz elements with progressive rock, which helped set the stage for future genre explorations. Although it did not achieve mainstream chart success, it received critical acclaim and has been regarded as a notable work within the progressive rock movement. Released in 1970, 'The Grass Is Greener' was Colosseum's third studio album, following their earlier works 'Those Who Are About to Die' and 'Valentyne Suite'. At this point in their career, the band was solidifying their reputation within the progressive rock scene, exploring more complex arrangements and lyrical themes.