Is there a powerful voice lurking inside of you, just dying to be heard? Or maybe, you like to sing in the shower, but want to get a little more serious about developing your voice? Either way, the gURL guide to singing is at your service. We've packed this guide with vocal terms, practice techniques, frequently asked questions, tips and everything else you need to be America's next singing sweetheart (or rock 'n' roll bad ass, depending on your style).