O site jå contou com a participação de Dolph Lundgren, Mark Dacascos, Michael Jai White, Neal McDonough, Kevin Sorbo, Mike Terrana, Bruce Kulick (ex-KISS), Ralph Rieckermann (ex-Scorpions), Lee Andre Payne (Cloven Hoof), Alexx Stahl (Bonfire), Gary Holt (Exodus), Mike Lepond (Symphony X), Steve "Zetro" Souza (Exodus), Charlie Benante (Anthrax), David Ellefson (Megadeth), Magnus Rosén (ex-Hammerfall), Vinny Appice (ex-Black Sabbath), Ron 'Bumblefoot' Thal (ex-Guns N' Roses), Jennifer Batten (Michael Jackson), Nalle PÄhlsson (Therion), Black Sun, Frank Colón, Michael Des Barres, Ilhan Ersahin, Francis Hime, Elza Soares, Arnaldo Brandão, Andreas Kisser (Sepultura), Felipe Andreoli (Angra), Fernando Magalhães (Barão Vermelho), Bruno Gouveia (Biquini Cavadão), Evandro Mesquita (Blitz), Bozzo Barretti (ex-Capital Inicial), Egypcio (Tihuana), Marcão Brito (Charlie Brown Jr.), Negão Jamaica (Terra Samba), Neto Araujo (Cavaleiros do Forró), Marcos & Belutti, Zé Luis, dentre dezenas de outros.