Roots of Massacration

Spinal Tap are a parody English heavy metal band created by the American comedians and musicians Michael McKean, Christopher Guest and Harry Shearer. McKean plays the singer, lead bass, and guitarist David St. Hubbins, Guest plays the guitarist Nigel Tufnel, and Shearer plays the bassist Derek Smalls. They are characterized as "one of England's loudest bands".

Angra is a Brazilian progressive and power metal band formed in 1991. They have released ten regular studio albums, six EPs, and seven live CD/DVDs to date. Led by Rafael Bittencourt, the band has gained a degree of popularity in Japan and Europe.

Gavin Shane DeGraw is an American singer-songwriter. DeGraw rose to fame with his song "I Don't Want to Be" from his debut album Chariot (2003); the song became the main theme song for The WB/CW drama series One Tree Hill. Other notable singles from his debut album were the title track and "Follow Through".