Not just a party animal but a party guerrilla, Andrew W.K. burst onto the scene with a hybrid of metal, pop, and dance that parodied and paid tribute to the cheesiest, sleaziest aspects of all three styles. The California-born, Michigan-bred W.K. -- the initials stand for everything from "White Killer" to "Women Kum" to "Wilkes-Krier," the surnames of his mom and dad -- began classical piano lessons at age four and moved on to playing in Detroit punk and metal bands, including the Pterodactyls. By age 17, W.K. was recording his own material. After moving to New York City a yea...