This non-album single from 1966 is a surprising one on this list, considering it shot to no. 1 in the US and UK upon its release. However, Lennon didn’t think very fondly of this tune.

Recorded for 1965’s ‘Help!’ album, “If You’ve Got Trouble” was the first song the group wrote for drummer Ringo Starr. It was almost immediately consigned to the vault ...