As he gets ready to perform at the Olympic opening ceremony tomorrow, Sir McCartney admits he could've seen a time when the Beatles may have reunited. "Yeah, I think all things are possible. Anything could've happened. We could've decided we'd reform by now or we could've got together for big anniversaries or a big charity gig or something. It would've been a great thing to do. But obviously we can't do that, so that's that."

Reunion or not, it's sure not stopping them from just jamming for the fun of it! Here's McCartney, Harrison, and Starr jamming on June 23rd, 1994 during the filming of The Beatles Anthology: