hard&heavy:
Axel Rudi Pell
Iron Maiden
Aria

power metal:
Primal fear
Nightwish
dark moor
Vhaldemar
Rhapsody
Hammer fall
Dinoysus
At Vance
Edguy
Paragon(heavy metal)
Majestic

and Russian power metal
Epidemia
Catharsis
Arda