クラッシュフォーティー
Cuts Unleashed (Vocal tracks album)(2001/8/22)
"Live and Learn"に参加(Sons of Angels名義)
Triple Threat (Vocal tracks album)(2004/2/4)
"Sonic Heroes"、"What I'm Made of..."、"Open Your Heart"に参加
Lost and Found (Vocal tracks album)(2006/2/22)
"I am...All of Me"、"Never Turn Back"に参加
Several Wills (Vocal tracks album)(2007/1/10)
"All Hail Shadow (Crush 40 Version)"、"His World (Crush 40 Version)"に参加
True Blue (Sound track)(2008/1/23)
"Live and Learn"、"What I'm Made of..."、"Seven Rings in Hand (Crush 40 Version)"に参加