List of bands (34):

Waterlines
While She Sleeps
Whitesnake
Whom Gods Destroy
Wind Rose
Winger
Wings of Steel
Wirefall
Within Temptation
Without Warning
Wolf
Wolf Spider
Wolfheart
Wretched Fate
Wytch Hazel
Xandria
Xeneris
Xentrix
Yngwie Malmsteen
Zepter