Sunn O)))

Sunn O))) (pronounced "sun") is an American experimental metal band from Seattle, Washington, formed in 1998. They are known for their slow, heavy sound, which blends diverse genres including drone, black metal, dark ambient, and noise rock, as well as for their loud live performances.

The band's core members are Stephen O'Malley (also of Khanate and Burning Witch) and Greg Anderson (of Goatsnake and Engine Kid).

From Wikipedia

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SUNN O))) from  Bandcamp