2007 - Worlds Collide
"I'm Not Jesus" feat. Corey Taylor (Slipknot & Stone Sour)
"I Don't Care" feat. Adam Gontier (Three Days Grace)
"SOS (Anything But Love)" feat. Cristina Scabbia (Lacuna Coil)
"Helden" feat. Till Lindemann (ex Rammstein)
2005 - Apocalyptica
"Bittersweet" feat. Ville Valo & Lauri Ylonen
"Life Burns!" feat. Lauri Ylonen (The Rasmus)
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"Repressed" (feat. Max Cavalera, Matt Tuck)
"Path Vol.2" feat. Sandra Nasic