As witnessed by a global audience this past summer, Paul McCartney's performance at the opening ceremonies to the 2012 London Olympics was anything but smooth....but I still think it was better than The Who's performance a few years ago for the half time show at the Superbowl.

But still no where near standards we've all come to expect from Sir Paul McCartney...well even he knows he didn't pull it off.

"I fucked up," McCartney said in a recent inteerview. "I was supposed to wait for a cue. But I forgot. Why? Well, there's this bloody great bell that we didn't know about. It was deafening... We prerecorded a playback in case all hell broke loose... We were live, everyone was there, the world was ready and this bloody great bell goes off."

Read more here: http://spinner.com/2012/12/10/paul-mccartney-summer-olympics-opening-ceremony/