Black Cobra’s 2006 debut album Bestial opens with “One Nine” where the rapid-fire attack of mammoth-sized riffs recalls Mastadon or High On Fire. The following “Thrown from Great Heights” boils down into more doom-metal territories. The lo-fi, electric arpeggios that introduce “Beneath” morph into swampy sludge while the faster-pedaling “Omniscient” injects some hardcore punk rhythms. The rhythm section actually busts a near-danceable groove in the gradually snowballing “Sugar Water,” giving those longhaired heshers in the audience some other-than-headbanging options to ponder. “El Doce de Octubre” starts off like Sleep’s “From Beyond” with slow, menacing leads, which spill over into heavier territory.