John Lennon, who seven days later would unofficially resign as a member of the Beatles, played as part of the Plastic Ono Band, whose members also included Yoko Ono, Klaus Voormann, Alan White, and Eric Clapton.
The video also features a selection of other acts: Jerry Lee Lewis, Little Richard, and Bo Diddley.
The concert itself lasted 12 hours and included Alice Cooper and Chicago Transit Authority among other acts, but Pennebaker's documentary focuses mainly on the final hours of the concert.
Factory, under the name John Lennon and the Plastic Ono Band: Live in Toronto.
The complete sets by Berry, Little Richard and Lewis were subsequently released as their own films.