← Kai Hansen
Money (demo with Ralf Scheepers)
Gamma Ray
Insanity and Genius · 1993
Heaven Can Wait (live at Chameleon Studios 2016)
Valley of the Kings (live at Chameleon Studios 2016)
Future World
1827 Band
1827: Infernal Musical · 2010
Land of the Free
Deimos
HelloRay: Helloween & Gamma Ray Tribute · 2012
Heaven or Hell
Burn Universe
Judas
5th Element
Leaving Hell
Rotten
Last Before the Storm
Sonem
Anywhere in the Galaxy
Opera Magna
The Spirit
Parallax
Warrior
Gaia Epicus
Tribute to the Past
Guardians of Mankind
Metal Invaders
Paragon
The Dark Legacy · 2003
I Want Out (Helloween Cover)
Wings of Destiny
Time · 2015
Halloween
Majestica
Welcome to the Theater · 2012
Money
Hold Your Ground
Ride The Sky
I Want Out
Heading for the East · 1991
Save Us
The Silence
Who Do You Think You Are?
Space Eater
Heaven Can Wait
Lust for Life
Intro
Heading for Tomorrow
The Best Of · 2015
Rich and Famous (demo - Kai on Vocals)
Sigh No More · 1991
Dream Healer (demo - Kai on Vocals)
(We Won't) Stop the War (Preproduction - Kai on Vocals)
As Time Goes By (Preproduction - Kai on Vocals)
Heroes (Preproduction)
Dream Healer (live in Montreal 2006)
One With the World (live at Wacken 2001)
Changes (live)
Lonesome Stranger (demo)
Heading for Tomorrow · 1990
Heaven Can Wait (demo - Kai on vocals)
The Silence (demo - Kai on vocals)
Space Eater (live)
Heading for Tomorrow (live)
Sail on (demo - Kai on vocals)
Money (demo - Kai on vocals)
Heaven Can Wait (EP Version)
To the Metal
Rock Hard Le Sampler 96 · 2010
Ride the Sky
Metalium
Great Metal Covers, Volume 25 · 2004
Salamandra
Great Metal Covers, Volume 10 · 2002