Tenacious D - Master Exploder Vocal Cover by: JeffOzzy Riggs and Aleck Hendrix (Brutal Legend)

JeffOzzy Riggs (The singer of MetalAxes)
Aleck Hendrix (The bassist of MetalAxes)

JeffOzzy Riggs: JB's voice
Aleck Hendrix: KG's voice (back vocal)