Veteran performer jokes, 'We're basically busking'
Beatles icon claims credit for inventing picture trend during appearance on US TV
'There's a huge period in the '70s - I couldn't tell you what was on the albums then,' says the former Beatles member
The former Beatle took part in his first ever live Twitter Q&A earlier today (October 3)
Former Beatles legend discusses stepping into the studio with his modern day peers
Barbara Bezant and Lyn Phillips sent Macca a tape prior to Beatles gig in London in 1963
Album features production by Mark Ronson, Paul Epworth and Ethan Johns
The Bealtes legend played 'Everybody Out There', 'Save Us' and 'New' from his forthcoming album
Polica, Sigur Ros and Goldfrapp will also perform live at the BBC's Maida Vale studios next month
See a video for Mark Ronson produced-track now