"So much has been written about me doing a collaboration with Bob or me doing a collaboration with Ringo and Bob. But that is not happening yet. We're nowhere near. I did say I wanted to work with Bob but that was ages ago and he hasn't been in touch. I can't contact him, (and say), 'Hey Bob, what's happening? Where's the party?'" Sir Paul McCartney clears up reports about his upcoming collaborations with Bob Dylan and Ringo Starr.