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The question is moot since you would probably die of an infection. http://bbs.clutchfans.net/showthread.php?t=201463&highlight=time+travel
If I'm a prodigy, I'd apprentice myself to one of them (probably Mozart) with that electric guitar I was pulled back with. Mozart would dig speed metal. I'd learn from him and try my best not to get burned at the stake the first time I hit a tritone. They'd probably be too scared to approach me the first time Raining Blood began raping their ears, but whatevs. Or I'd avoid the sure-to-come allegations heretical music and just learn in the classical styling of the day and get rich and famous. But terrorizing the ef out of them would be fun for a bit.