I must admit I'm pretty slow. I've just now noticed that the guitar players don't wear any straps. Their guitars just kind of float under their arms. Has anyone else noticed this? Is this common to other RB games?
I guess this is by design so that the game software can re-use the players' images and mix up the different instruments each can play. For example, the same acoustic guitar sometimes is played by John, sometimes by George.
(I've also just noticed for the first time Ringo's humongous red ring in the Shea stadium scenes)