Lennon's "I'm in Love" was recorded by The Fourmost at Abbey Road Studios on October 1963, under producer George Martin. Billy J. Kramer and the Dakotas, who had already released four Beatles giveaways by this point, recorded the song, as well, on 14 October 1963, but abandoned the project after 32 apparently unsuccessful takes. It is uncertain who recorded the song first. What is certain is that Kramer never released his version, and The Fourmost released theirs on 15 November 1963.
The Beatles never recorded "I'm in Love", but Lennon did record a demo.
This blog is a workshop for developing my analyses of The Beatles' music.