I Feel Fine. I've said it a million times, but i've yet to see anybody ever play it correctly. He adds these trills to the toms and ride cymbal off and on throughout the song thats just brutal. Without adding those, anybody can play it, but it wont be right. Its the little things.
She Said She Said is a rough one too.
Rain gets more credit than it deserves in my opinion. Ringo said it was his best song, so everybody tends to agree with him without truly looking at why. It was one of the first Beatle songs that I ever learned properly and nots hard at all.