Claim: John Lennon only sang cover music.
Evidence: When the group disbanded in 1970 , Lennon embarked on a sporadic solo career that produced albums including John Lennon/Plastic Ono Band and Imagine , and songs such as `` Give Peace a Chance '' , `` Working Class Hero '' , and `` Imagine ''.
`` Imagine '' is a song written and performed by English musician John Lennon.