Sharon den Adel (Within Temptation)
2010
Rudolf Schenker (Scorpions)
Jörg Michael (Stratovarius)
David Ellefson (Megadeth)
текст / аудио
William DuVall (Alice In Chains)
текст / аудио
2009
Jim Kerr (Simple Minds)
Mike Inez (Alice In Chains)
текст / аудио
Dusty Hill (ZZ Top)
Tarja Turunen
Paul Gilbert (Mr. Big)
Paul Di'Anno
Lauren Harris
текст / аудио
Jordan Rudess (Dream Theater)
текст / аудио
Mick Mars (Mötley Crüe)
текст / аудио
Daniel Svensson (In Flames)
текст / аудио
Jeff Scott Soto
2008
Francesco DiCosmo (Thin Lizzy) 
Paul Gilbert 
Scott Gorham (Thin Lizzy)
Robert Trujillo (Metallica)
Sugar Blue