Discography Peter Douwenga:

-Vortex - Hammer Metal Forever, a Tribute to Hammerhawk CD ‘All of the Days’  2002, The Netherlands
-Vortex - Heavy, Oder Was! Metal Crusade Volume V sampler CD. Vortex demo track ‘Riptor’ 2003, Germany
-Vortex - Hammer of the North CD 2003 Hellion Records HE231103, Germany
-Vortex - Hammer of the North LP black vinyl 2003 Hellion Records HE241103, Germany
-Vortex - Hammer of the North LP orange vinyl 2003 Hellion Records HE241103, Germany
-Vortex - First Bite of the Bats CD - 1 demo track ‘Nobody’s Fool 2001 version, 2014 Might Monster Records MMR 008
-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’ United Kingdom
-Eloah - The Mondstein Chronicles: Part III - Wood & Bone CD 2019 Big Bad Wolf /Metalization Foundation, The Netherlands
-Maestro - Double Extended Play, 8 track music cassette 2019 Big Bad Wolf & Headbangers Records, The Netherlands
-Eloah - The Mondstein Chronicles Part 2: Ample Jazz CD, released on Thursday the 2nd of July 2020 Big Bad Wolf Records and the Metalization Foundation, The Netherlands