Yer Blues was written by John Lennon. It was recorded by The Beatles in 1968. The song was part of the repertoire of The Dirty Mac and The Plastic Ono Band. The Plastic Ono Band performed the song live at the Toronto Rock And Roll Revival festival in Toronto, Canada in September 1969. The band included Eric Clapton, Klaus Voormann, and Alan White. The performance was recorded and was produced by John Lennon and Yoko Ono. It was released on The Plastic Ono Band’s 1969 album Live Peace In Toronto 1969.