Grammy winner (and new Nashville resident) visits our studio to tell stories behind 'The Malibu Sessions'
All-star collaboration aims to raise awareness before Paris Climate Change Conference in December
Show is set for February 5th in Brooklyn
Singer on working with Babyface, OneRepublic for new songs
The Beatle pairs with a capella group for yuletide jam
Both expect to work together more often
Party photos from L.A. bash