Metallica is one of many legendary acts to offer a song to the upcoming Ronnie James Dio tribute album. Metallica frontman James Hetfield recently stated to Metal Hammer that his band is definitely down for the killer tribute. Other bands and artists lined up to offer a track include: Anthrax, Lemmy, Rob Halford, Sebastian Bach, Glenn Hughes, Dave Grohl, Alice Cooper, Chris Jericho, and more.