Mi favorite singers are:
Roy Khan- Kamelot
James Labrie-DT
Michael Kiske-Helloween (keeper of the seven keys albums)
Ralf Scheepers-Gamma Ray
http://www.youtube.com/watch?v=2N5DGrTKeCM
Mark Boals-ynwgie,Mark Boals
Adrian Barilari-Rata Blanca
Edu Falaschi-Angra
Andi Deris-Helloween