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2.
The most under rated man in metal music...The genius behind Helloween, Gamma Ray, Iron Savior and Gravedigger...some of the best power metal bands ever.
Who is that singing on Walls Of Jericho...Why its Kai Hansen
by Steven January 26, 2005
 
1.
Known as the "godfather" of the genre power metal ...

Started as a guitarist/vocalist in helloween probably the most influencial euro power metal band. Unhappy with his vocal talents, helloween hired a new vocalist Michael Kiske...With his unbelievable voice Helloween were becoming a force to be reckoned with

Kai Hansen then left at the worst possible time , just after releasing the two greatest Helloween albums "Keeper of the seven key" Parts I + II ... Helloween were in their prime but without Kai Hansen

He then founded gamma ray but started only as a guitarist. After the departure of Ralf Sheepers(vocals) Kai took on the position of vocals and guitar again , He also founded iron savior another Power metal band with a very different vocalist in Piet Sielck.

Kai Hansen is still with gamma ray and has worked with French Power Metal band Heavenly...Swedish band hammerfall ... power metal icons blind guardian ... and the project of tobias sammet avantasia along with members from old band helloween and other greats from the power metal genre.
Kai Hansen Is The King Of Metal
by Junglemanchild April 13, 2005
 
3.
One Of the greatest Metal vocalists to ever sing, voice capabilities go as high as a sound of a screeching tire which makes his songs sound interesting. Started out with being the vocalist and guitarist for Helloween, then went to Iron Savior and finally stayed in Gamma Ray. Guest Starred in in "Valhalla" by Blind Guardian and Tobias Sammet's Avantasia
Kai Hansen is the originator of Helloween and Gamma Ray
by Karth February 03, 2005