BEARTOOTH - Caleb Shomo: Why Motörhead's Lemmy Kilmister Is the Greatest Metal Vocalist Ever

Who is the greatest metal vocalist of all time? Beartooth's Caleb Shomo makes the case for Motörhead's Lemmy Kilmister, whose gravelly growl on classic anthems such as 1980's "Ace of Spades" paved the way for everyone from Metallica's James Hetfield to the more extreme, Cookie Monster-style growls of death metal and grindcore.