"sunn0))) & Boris’ Altar is a collaboration between the two Southern Lord bands that successfully steps outside their previous sounds to create one wholly unique album. The tones, emotions and energy within Altar are beautifully ominous. Altar also features contributions from several other artists including Jesse Sykes (Jesse Sykes & The Sweet Hereafter, Jesse’s bandmates Phil Wanderscher (guitar) and Bill Herzog (drums), Kim Thayil (Soundgarden), Joe Preston (earth, thornes, melvins, high on fire), Rex Ritter (Jessamine, Fontarelle) Tos Nieuwenuizen (Beaver, GOD) and Steve Moore (earth)."