You know Butch Vig? He produced some records you have heard of like Nirvana Nevermind, Smashing Pumpkins Siamese Dream, Against Me New Wave, Jimmy Eat World Chase This Light among others. He was also in that band Garbage who sold a couple of records. In a gracious move, for the next 2 weeks he will be taking your questions over on Gearslutz. Go here to learn from a master!