What's the Heaviest Riff of All Time? Metal and Hardcore Musicians Weigh in

Black Sabbath, Metallica, Pantera — they're all heavy, but which one makes you do the stinkface? We asked our expert panel of heavy-metal and hardcore musicians — including members of Type O Negative, Revocation, Testament and more — which riff is truly the heaviest of them all, and they came through with a wide array of total crushers. Watch now.