|A Hard Day's Night|
One of the session musicians who worked on George Martin sessions for incidental music for the film says he's playing on the clip, not Ringo.
"That's definitely me," drummer Clem Cattini (at that point, fresh from The Tornadoes) told Hurwitz for a lengthy StudioDaily piece on the film's restoration. "The guitars, I think, were ‘Big Jim’ Sullivan and Jimmy Page. They did a lot of the rock stuff together in those days, particularly on these kinds of sessions.”
Read the full piece at Studiodaily.com. You won't regret it.