Collaborations and Guest Appearances

Walls of Blood with Glen Drover - Imperium (2019): vocals on Track 2, "Discordia", released as a stand-alone single in 2014

Metal Church: Fake Healer (bonus studio track) | Classic Live (2017)

Dark Matter - Encipher (2016): guest vocals on tracks 1, 3, 4, and 7

Michael Sweet- Ten (2019)
Guest lead vocals/duet for single "Son of Man"

Methodica- A Dystopian Tale (2020) Duet lead vocals for single "A Dystopian Tale".

Michael Angelo Batio- Shred Force 1: The Essential MAB (2015)
Todd La Torre – vocals (tracks 2 and 4)

Jon Oliva's Pain - Festival (2010): backing vocals and hammered dulcimer on Track 4, "Afterglow".

Rockstar Superstar Project (2010)- Lead vocals Track 10 "Do it for You" featuring Bruce Kulick

Tommy Vitaly - Hanging Rock (2012): Lead vocals on Track 3 "Hands of Time"