Graveyard (Fri., 7pm, Reverberation Stage) Swedish foursome hammers late Sixties acid rock into hard blues on third acclaimed LP Lights Out.
White Hills (Fri., 7:45pm, Levitation Tent) Brooklyn triad beats motorik, free-flowing fuzz, controls set for the heart of the sun.
Kadavar (Fri., 9pm, Levitation Tent) Berlin power stamps out metallic rivets of Seventies muscle rock on second Nuclear Blast Abra Kadavar.
Dahga Bloom (Sat., 1:30pm, Levitation Tent) Fullerton, Calif., five insists on No Curtains, opening the window to a cloudy deluge of feedback and lysergic drone.
Bardo Pond (Sat., 6:45pm, Elevation Amphitheatre) Brown acid runs deep in this veteran Philly combo's Refulgo, the heaviest flower grunge to ever feature a flute.
Dead Meadow (Sat., 9pm, Elevation Amphitheatre) Five years after its last studio LP, D.C. stoner psych troop emerges from its Warble Womb to blow amps and minds.