But the blues rocker replied: “Oh, no. I can’t do that. Nobody ever plays on The Beatles records.

Yet Harrison persisted: “Look, it’s my song, and I want you to play on it.” 

John Lennon wasn’t able to make the recording so technically Clapton didn’t play with The Beatles, as Harrison’s replacement, as a whole.

In any case, Harrison was on vocals and guitar for the song too.