Burial Chamber Trio is a drone doom band consisting of American guitarist/bassist Greg Anderson, Hungarian vocalist Attila Csihar and Australian multi-instrumentalist Oren Ambarchi. These three musicians are also performing with Sunn O))).The band is not to be confused with Grave Temple, which features the same lineup except Greg Anderson; instead, Sunn O)))'s other guitarist, Stephen O'Malley, is in the band.Burial Chamber released their vinyl-only self-titled album Burial Chamber Trio.