This article is about the black metal band. For mesopotamian deity also known as Absu, see Apsû.Absu is a black metal/thrash metal band from Plano, Texas, USA. Their early work leaned towards a death metal sound, but more recently they have incorporated a black and thrash metal sound with some celtic and folk music (which they call "Mythological Occult Metal"). Their lyrical themes are esoteric, ranging from Celtic myths and legends, Sumerian myths and legends, magic, weaponry, and sorcery.