Metallurgy

Mastodon

Forest-clearing for forthcoming fifth LP The Hunter includes closing 2009's Crack the Skye cycle with this CD/DVD caterwaul from Chicago's famed ballroom. Seventy-five minutes from the ambitious Atlantans untangles an actual hook in "Quintessence," but perennial "Mother Puncher" and Melvins closer "The Bit" batten down the goods vs. Crackthe Skye: The Movie jumbling a 50-minute New Age Russian silent.