This was once a growling metal band. Now softer and more sophisticated, they play melodic, melancholic rock.
http://www.progarchives.com/Progress...p?band_id=1038
The early albums are largely just slowish metal, but Eternity (1996) and any newer stuff might appeal to some of the Moonies. Judgement (1999) may be easiest to start from.
-Methem