Roots of While She Sleeps

Thrice is an American rock band from Irvine, California, formed in 1998. The group was founded by guitarist/vocalist Dustin Kensrue and lead guitarist Teppei Teranishi while they were in high school.

Slipknot is an American heavy metal band formed in Des Moines, Iowa, in 1995 by percussionist Shawn Crahan, vocalist Anders Colsefni and bassist Paul Gray. After several lineup changes in its early years, the band settled on nine members from 1999 until Gray's death in 2010: Crahan, Gray, Joey Jordison, Craig Jones, Mick Thomson, Corey Taylor, Sid Wilson, Chris Fehn, and Jim Root. Slipknot is well known for its attention-grabbing image, aggressive style of music, and energetic and chaotic live shows.

Killswitch Engage is an American metalcore band from Westfield, Massachusetts, formed in 1999. The band's current lineup consists of vocalist Jesse Leach, guitarists Joel Stroetzel and Adam Dutkiewicz, bassist Mike D'Antonio, and drummer Justin Foley. Howard Jones was the band's lead vocalist from 2002 to 2012.