They also reported that Pink Floyd was participating in two film projects, and that they completed a new album that featured the musical talents of each of the four band members, called Ummagumma. The press praised Ummagumma as a high point of the psychedelic period. In 1970, two new solo albums by former Pink Floyd member, Syd Barrett, were released, causing a renewed interest in Barrett, and various interviews with Barrett were published. The press also reported about work by Pink Floyd on a new cartoon soundtrack project and a ballet project, another Hyde Park free concert, plus the release of the album, Atom Heart Mother, which featured the title song on an entire side of the album, complete with an orchestra and choir. They followed its release with tours of the U.S., Great Britain, and performances at various European festivals.
Press reports about the album and concerts proliferated.
1971 brought the release and reviews of the Pink Floyd album Meddle. Reports also surfaced that work had begun on a new project, one that would become Dark Side of the Moon. In 1972, Pink Floyd began touring their new piece, Dark Side of the Moon, and it was greeted with numerous press reviews. Pink Floyd also released another soundtrack album, Obscured by Clouds, an album that was embraced by the press. But things were about to change drastically for Pink Floyd the following year.