American doom/drone metal band. The name is pronounced Sun. Formed in 1996 as Mars as a tribute to Earth, and later renamed SUNN O))) after the band’s amplifier brand of choice. The two founding members, Stephen O’Malley & Greg Anderson, have appeared at every concert and release under the SUNN O))) moniker, and have employed a number of guests over the years, including Attila Csihar, Julian Cope, Oren Ambarchi, Merzbow, and Tos Nieuwenhuizen.