Philip Anselmo: Why Dio and Halford Are the Greatest Metal Vocalists Ever

Who is the greatest metal vocalist of all time? Philip Anselmo — a vocal great in his own right, with bands such as Pantera and Down to his name — makes the case for Judas Priest's Rob Halford. "Hands down!" Or is it Ronnie James? Sometimes you can't pick just one champion. Anselmo sings both their praises. Watch above.