Trey Azagthoth (Morbid Angel), Chuck Schuldiner (Death), Eddie Van Halen (early), Tony Iommi, Dimebag Darrell, Jeff Hannemann (Slayer), Dallas Toler-Wade (Nile), John Petrucci (Dream Theater)
For bass: Les Claypool (Primus), Trevor Roy Dunn (Mr. Bungle/Fantômas), Alex Webster (Cannibal Corpse), Steve DiGiorgio (Death/Pestilence)