Metal Storm logo
William King


Member

2011- Knight Fury - vocals  

Studio musician

1993 Grave Digger - backing vocals (as Billy King)  
2012-2013 Helloween - backing vocals (as Billy King)  
2017 Exit Eden - backing vocals (as Billy King)  

Guest musician

1995-1996 Blind Guardian - backing vocals (as Billy King)  
2009 HammerFall - backing vocals (as Billy King)  
2010-2015 Blind Guardian - choir vocals (as Billy King)  
2019 Avantasia - backing vocals (as Billy King)