Michigan duo Dale Earnhardt Jr. Jr. stopped by Rolling Stone's studios recently to perform acoustic versions of some tunes from their new album It's A Corporate World, along with a cover of the Beach Boys classic "God Only Knows." After the set, the guys sat down to  explain why they chose their rather silly band name. "We both believe that you don't have to be this tortured, miserable person to make serious work," says Joshua Epstein.