20 Best Metal Albums of 2013
Courtesy of Reprise Records; Courtesy of Peaceville; Courtesy of Deathwish; Courtesy of Century Media Records

Are these the most extremely extreme albums of the year? No, they're more interesting and exciting than that. If there's a thread running through these records, it is a lack of purity, a willingness to mess with metal's structures and strictures. Here are Rolling Stone's 20 favorite metal albums of 2013.

Contributors: Joe Gross, Kory Grow and David Marchese