What is the greatest GRUNGE band ever? SPIRITBOX, GWAR, HALESTORM, more weigh in

What's the greatest grunge band of all time? There're a lot of great choices. Nirvana, Soundgarden, Alice in Chains, Mudhoney — basically any rock band who came out of the Pacific Northwest in the early Nineties were, fairly or not, classified as grunge. We asked bigwig rock and metal musicians to reveal who they consider the pinnacle of the genre. Watch members of Spiritbox, GWAR, Halestorm and more weigh in.