Take Darius Rucker, for example. The onetime Hootie and the Blowfish front man made the right choice by taking a leap of faith into country music, which pushed his previously stalled career into musical overdrive. Others didn't quite as well, like Snoop Dogg's attempted transition into the rasta version of himself, Snoop Lion. Fans just weren't ready to let go of "Lodi Dodi," even if it meant some sweet Rastafari influences.
However, the musicians below were smart enough to jump genres before breaking into the big leagues. Punk rockers morphed into hip-hop callers, and headbangers musicians into ballad crooners. These folks earned their big names by changing their tunes -- literally. And no, Katy Perry is not on this list, because it's about musicians.