Sometimes flawless technique, inspired lyrics and a devoted fan base aren't enough. Sometimes you've gotta do something outlandish to step up your game and grab the world's attention. Some would say that getting on a stage and saying, "Hey! Watch what I'm doing!" might be considered attention-seeking behavior, but certain musicians take it to a whole new level. Whether for the sake of art, to go down in history or to sell as many records as possible, they devise feats of daring that most of us wouldn't dream.