If you want to see a surprised 13-year-old, walk up to one and tell him that his favorite band is Korn. He'll turn white, agree, and ask you how you knew. The undisputed leaders of the Funk Metal movement known to some as nu-metal, their headbanging, foot-stomping blasts of violent aggression have won them millions of fans and spawned countless Adidas-clad imitators. Ultraheavy seven-string guitars coupled with vocalist Jonathan Davis' universal, chalkboard-scraping anxiety make thi...  [+]