Sunn O))) at El Rey Theater

Sunn O))) does not play songs so much as generate pressure fronts, and a room like El Rey, with its low ceiling and decent acoustics, is going to make this physical in ways that will surprise people who only know the records. Gentry Densley, the Utah guitarist behind Iceburn and Eagles of Death Metal’s early orbit, is a genuinely worthy opener rather than a throwaway slot. Earplugs are not optional here; they are how you stay long enough to let it work on you.