The “Yellow Submarine” demo has never been bootlegged or even rumored, not even among the most hardcore Beatle geeks. John sings it in his melancholy confessional mode, over folkie guitar picking.

Part 2 of the working version of “Yellow Submarine” retains Lennon’s acoustic guitar backdrop, but it also includes Lennon and McCartney discussing how to march forward with a robust folk ...

A rough sketch of the song as conceived by John Lennon shows “Yellow Submarine” was a lot more sad and serious at first. Over nothing but his own acoustic guitar, Lennon sings, “In the ...