Performance · Other credits
Kai Hansen
Kai Hansen is credited on 855 releases across 152 albums tracked on Gatefold, active 1984–2025 — the collector-built map of who actually made the music.
855
Pressings credited
152
Albums
5
Decades active
134
In collections
Biography
Kai Michael Hansen (born 17 January 1963) is a German musician who is the founder, lead guitarist and vocalist of power metal band Gamma Ray. He is also one of the co-founders of another power metal band Helloween, which he was a part of from 1983 to 1989 and rejoined in 2016. He is a prominent figure in power metal and has sold millions of albums worldwide. In 2011, he joined the band Unisonic featuring Helloween vocalist Michael Kiske. Hansen and Kiske reunited with Helloween in 2017 for a world tour with all current members, celebrating the 30-year anniversary of release of the albums Keeper of the Seven Keys Parts I and II.
Bio from Wikipedia
Credited work
855 releases · 152 albums · active 1984–2025
- Performance · 2,737
- Other credits · 670
- Production · 122
- Engineering · 81
- Mastering · 32
Studios: Horus Sound Studio · Hansen Studios, Hamburg · Karo Musikstudio, Brackel · Music Lab Berlin
Discography
Records they worked on — most-collected first.

Keeper Of The Seven Keys (Part I)
1987

Keeper Of The Seven Keys - Part II
1988

Walls Of Jericho
1985

Helloween
2021

Legacy Of Kings
1998

Somewhere Far Beyond
1992

The Best - The Rest - The Rare
1991

Heading For Tomorrow
1990

Follow The Blind
1989

I Want Out - Live
1989

My Years With UFO (50th Anniversary Celebration 1972 - 1978)
2024

The Metal Opera Pt.II
2002

Somewhere Out In Space
1997

Pink Bubbles Go Ape
1991

Giants & Monsters
2025

Land Of The Free II
2008

Majestic
2005

Temple Of Shadows
2004

No World Order
2001

Power Plant
1999

Land Of The Free
1995

Tales From The Twilight World
1990

Somewhere Far Beyond Revisited
2024

Skyfall
2021
Frequent collaborators
- Helloween
- Gamma Ray
- Various
- Blind Guardian
- Iron Savior
- Tobias Sammet's Avantasia
- Unisonic
- Stormwarrior
Around the web
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