In late 1970, during the time of the live recording of "Careful with that Axe, Eugene" at Randwick Racecourse in Sydney, Pink Floyd was transitioning from their experimental phase towards a more mainstream progressive rock sound. Just prior to this performance, they released "Atom Heart Mother," an album featuring a blend of rock and orchestral elements that showcased their increasing ambition and reach. The band's performance style during this period was marked by an emphasis on atmospheric soundscapes and innovative use of visuals. Interestingly, the sound in the current video is taken from the live recording featured on "Ummagumma," which was released shortly thereafter in 1971. This live album captured the band's eclectic blend of improvisational material and established their reputation as a formidable live act, setting the stage for their later successes, including the iconic "The Dark Side of the Moon."