Paste reporter Josh Jackson sat down for a heart to heart with Fun.'s lead singer Nate Ruess. They discuss his old band, The Format, and how he became the lead singing sensation he is today. When the singer switched over from Indie Rock to Pop Rock he made waves and Fun. won a grammy for Best New Artist and Song of the Year. What's coming up next for this fun band? Touring, touring touring and touring green, recycling, and doing his part to make the music scene and the world a better place.