On October 2, 1970, “Harvest” label released “Atom Heart Mother” the fifth Pink Floyd studio album. It was recorded February – August 1970, at the “Abbey Road Studios” in London,  and was produced by Roger Waters, Nick Mason, David Gilmour, Rick Wright and Norman Smith, and was band’s first album to be specially mixed for four-channel quadraphonic sound as well as conventional two-channel stereo.

Personnel:

• Roger Waters – vocals, bass guitar, acoustic guitar, tape effects, tape collages
• David Gilmour – vocals, guitars, bass, drums
• Rick Wright– vocals, keyboards
• Nick Mason– drums, percussion, tape editing, tape collage
• EMI Pops Orchestra –brass and orchestral sections
• Haflidi Hallgrimsson – cello
• John Alldis Choir– vocals
• Alan Styles –voice, sound effects
• Ron Geesin– orchestration
• Hipgnosis – cover art, design

Track listing:

1. Atom Heart Mother – Nick Mason, David Gilmour, Roger Waters, Rick Wright, Ron Geesin
2. If – Roger Waters
3. Summer of ’68 – Rick Wright
4. Fat Old Sun – David Gilmour
5. Alan’s Psychedelic Breakfast – Roger Waters, Nick Mason, David Gilmour, Rick Wright