Group Member, Producer, Logo Design, Vocals (2008) Love's Dying Wish by Starbreaker

MC, Arranger, Liner Notes, Voices (2006) Live in Madrid [CD/DVD] by T.N.T.

Vocals (Background) (2006) Human Nature by Harem Scarem

Vocals, Producer, Arranger, Group Member (2005) All the Way to the Sun by T.N.T.

Vocals (2005) My Resurrection by Brazen Abbot

Group Member, Vocals (2005) Starbreaker by Starbreaker

Vocals (2004) Sonic Heroes by Original Soundtrack

Vocals (Background) (2004) Inishmore/Sons of Society by Riot

Producer, Group Member, Vocals (2004) My Religion [Bonus Track] by T.N.T.

Producer, Group Member, Vocals (2004) My Religion by T.N.T.

Vocals (2003) Best of Both Worlds: A Tribute to Van Halen [MTM] by Various Artists

Producer (2003) Give Me a Sign by T.N.T.

Vocals (2003) Best of Both Worlds: A Tribute to Van Halen [Versailles] by Various Artists

Vocals (2003) Crush 40 by Crush 40

Vocals (Background) (2002) Through the Storm [Bonus Track] by Riot

Vocals, Graphic Design, Arranger (2002) Cyberdreams by Westworld

Vocals (Background) (2002) Through the Storm by Riot

Vocals (2002) Sonic Adventure, Vol. 2 by Various Artists

Vocals (2002) Tribute to Vai/Satriani: Lords of Karma by Various Artists

Vocals, Photography, Producer, Group Member, Graphic Design (2001) Skin by Westworld

Vocals (1999) Transistor [Japan Bonus Track] by T.N.T.

Vocals (Background) (1999) Sons of Society by Riot

Vocals (1999) Transistor by T.N.T.

Producer, Liner Notes, Arranger (1999) Westworld by Westworld

Vocals (1998) Till Next Time: Best of TNT by T.N.T.

Vocals (Background) (1998) Inishmore by Riot

Vocals, Harmony Vocals (1997) Firefly & Live by T.N.T.

Vocals (1997) Black Night: Deep Purple Tribute by Various Artists

Vocals, Performer (1995) Smoke on the Water: A Tribute by Various Artists

Vocals (Background) (1993) Send Me a Lover [Arista #1] by Taylor Dayne

Vocals (Background) (1992) Soul Dancing by Taylor Dayne

Vocals (Background) (1991) Pure Attraction by Kathy Troccoli

Arranger, Harmony Vocals, Vocals, Vocals (Background) (1988) Intuition by T.N.T.

Harmony Vocals, Vocals, Vocals (Background) (1987) Tell No Tales by T.N.T.

Vocals, Vocals (Background) (1984) Knights of the New Thunder by T.N.T.