Tribute to character Finn Hudson will air next week
But former Beatle fears Radiohead frontman is too busy
Singer will reintroduce New Power Generation at Paisley Park
Band plays 'Black Heart' from upcoming 'High Rise' EP
Song led Bethany Cosentino to write new EP 'Fade Away'
Singer presides over cast of misfits, and Martina McBride
The two enjoy some espresso and wine
DVD and CD set features Keith Richards, John Mayer, more
Wayne Coyne and Co. help out on 'Cheshire Cat Cry'
Singer gets riled, then improvises when things go wrong
Final 2013 Vault package will also include Dead Weather single
Band headlines music festival on comedy show
Singer teams with artist Sam Shearon, will star as a superhero
Dance star faces set frustrations in new clip
New Zealand teen makes her American television debut