Svarte Greiner is the pseudonym of Norwegian artist and musician Alexander T. Bjørneboe, known for his work in the fields of ambient and experimental music. His music often blends electronic sounds with acoustic elements, creating a haunting and atmospheric soundscape. Svarte Greiner's compositions frequently explore themes of nature, isolation, and introspection, making use of field recordings, minimalist structures, and layered textures. He has released several albums and is associated with the dark ambient and drone music scenes, earning acclaim for his unique approach to sound and composition.