- Ronnie James Dio (Black Sabbath-Dio-Rainbow)
- Serj Tankian (System of a Down)
- Freddie Mercury (Queen)
- Robert Plant (Led Zeppelin)
- Bruce Dickinson (Iron Maiden)
- Klaus Meine (Scorpions)
- Chino Moreno (Deftones)
- Phil Anselmo (Pantera-Down)
- Randy Blythe (Lamb of God)
- Rob Halford (Judas Priest)
- Maynard James Keenan (Tool-A Perfect Circle)
- Jorge Vercilo (Jorge Vercilo)
- James Hetfield (Metallica)
- Joey Belladona (Anthrax)
- André Matos (Angra)
apr 18 2011 ∞
apr 18 2011 +