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Jonah Hex EP (Warner Bros.)

Polarizing hysteria caused by 2009’s Crack the Skye recoils a 33-minute download of six movie-score instrumentals from this past spring’s straight-to-infinity DC Comics Western Jonah Hex. Nine minutes of hardening cement on “Death March” become a demo by Atlanta’s indie metal behemoth given its alternate take, a third-act holocaust probably more extreme than the film. Ditto for “Clayton Boys,” an acoustic-lined buzzer whose outtake burns sodium chloride. “Indian Theme” unleashes a seafaring Leviathan; “Train Assault” does. (Sunday, 8:45pm, Black stage)

**.5

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San Francisco native Raoul Hernandez crossed the border into Texas on July 2, 1992, and began writing about music for the Chronicle that fall, debuting with an album review of Keith Richards’ Main Offender. By virtue of local show previews – first “Recommendeds,” now calendar picks – his writing’s appeared in almost every issue since 1993.