Before John Lennon and Paul McCartney had a record deal or songwriting contract, they were like any other young musicians trying to make it. They would try out songs in all sorts of styles, and some later made it onto albums by The Beatles.
“Michelle,” which Paul workshopped for parties among John’s art-school set (circa ’58), found a spot on Rubber Soul (’65). Likewise, “When I’m Sixty-Four,” which Paul also wrote in the ’50s for someone like Frank Sinatra, ended up on Sgt. Pepper’s Lonely Hearts Club Band (’67).
But others didn’t make the leap from the early days to the Lennon-McCartney era (from ’62 on). “World Without Love” which became a huge hit for Peter and Gordon in ’64, was one such song. In that song’s case, John couldn’t listen to it without laughing.
Source: cheatsheet.com