Celticthunder

1 clue
Irish vocal group that won Billboard's Top World Album Artist award three times: 2 wds.
Similar answers:
Bloodandthunder
Bluethunder
Bostonceltics
Celtic
Celticc
Celticcross
Celticharpo
Celticharps
Celticknot
Celticmusic
Celticmythology
Celticpride
Celtics
Celticsea
Celticsheatsuns
Celticthunder
Celtictwilight
Celticwoman
Chocolatethunder
Crossceltic