American Head Charge, the Minneapolis-based metal band, which had its genesis when Cameron Heacock and Chad Hanks crossed paths in a Minnesota rehab facility in 1997, has up to now been known primarily for the radically dysfunctional behavior of the band members. "We were definitely out of control on our first tour, Ozzfest 2001," Mr. Banks admits. "It wasn't enough to just play our music; we also had to fire shotguns on stage and throw pigheads at the crowd.