From the Publisher's Website:
Heavy Metal musicians find magic in their rock and roll.
Characters have three attributes: Perform, Power, Physique. One each of these is rated "-" (least favoured), "N" (Neutral), "+" (most favoured).
Task resolution is performed by rolling a pool of six-sided dice from 6d6 for an easy task to 2d6 for a challenging task. Individual dice have a 50% chance of being successes. Doubles allow all dice to be kept and re-rolled.