Discography Peter Douwenga:

-Vortex – Hammer Metal Forever, a Tribute to Hammerhawk CD ‘All of the Days’  2002
-Vortex - Heavy, Oder Was! Metal Crusade Volume V sampler CD. Vortex demo track ‘Riptor’ 2003
-Vortex – Hammer of the North CD 2003
-Vortex – Hammer of the North LP black vinyl 2003
-Vortex – Hammer of the North LP orange vinyl 2003
-Vortex – First Bite of the Bats CD – 1 demo track ‘Nobody’s Fool 2001 version, 2014
-Maestro – Can’t Stop (Thinkin’ ‘Bout You) 4 track EP CD 2018 Big Bad Wolf Records/ Foundation Metalization
-Fireworks magazine (UK) sampler #85 Maestro 2019 track Huntin’
-Eloah - The Mondstein Chronicles: Part III - Wood & Bone CD 2019 Big Bad Wolf /Metalization Foundation
-Maestro – Double Extended Play, 8 track music cassette 2019 Big Bad Wolf & Headbangers Records