Singer also talks 'Once' Broadway show: 'It's becoming more real with each passing day'
Rappers postpone tour dates until early winter
Both singers will appear on Tony Bennett's forthcoming 'Duets II' album
Cover contest winners rock 'Late Night' tonight
Sources say band members are concerned about frontman's drinking problem
'Maybe some of the songs I’ve got will end up being released. Maybe not,' says Stefan Skarbek
Also: Stream new music by the Decemberists, Bon Iver, Archers of Loaf, Selena Gomez, Kelly Rowland and more
Toys featured in latest video sold as charity fundraiser
Also: New dates from Death Cab for Cutie and Kings of Convenience
Plus: Paul McCartney's Wings take flight and David Crosby sentenced for drugs
The band 'is dedicated to ensuring that proper safety measures are taken at future concerts'
Rappers reportedly not speaking since dispute over production values
Sheepdogs become the first unsigned band on the cover of Rolling Stone
Singer Caleb Followill is suffering from 'vocal issues and exhaustion'
Also: Pitbull on 'Conan'; Tiffany and Deborah Gibson on 'The View'