The follow-up to the musically challenging John Lennon/Plastic Ono Band was a critical and commercial success, and was Lennon's peak as a solo artist.
Imagine had already been issued in the US on 9 September 1971. It topped theon both sides of the Atlantic.
It was also the first Apple album release in quadrophonic, a four-channel system which was an early form of surround sound. The format was issued on LP and eight-track cartridge.