NTS regular Sunn O))) has been hosting Stephen O'Malley: Metta Dôme since 7 June 2016. On 5 July 2016, Sunn O))) was a guest on Unsound Toronto 2016. Sunn O))) has been played on NTS over 60 times, featured on 65 episodes and was first played on 12 July 2013.

Sunn O))) (pronounced "sun") is an American drone metal band from Seattle, Washington, that formed in 1998. The band is known for an extremely heavy sound that blends diverse genres including drone, black metal, dark ambient, and noise rock, and for very loud live performances. Supported by a varying cast of collaborators, the band was…