Black Mesa is the first single from Biosphere´s forthcoming album The Petrified Forest. The 7-inch vinyl single comes as a limited numbered edition of 500 copies. Biosphere is the main recording name of Geir Jenssen (born 30 May 1962), a Norwegian musician who has released a notable catalogue of ambient electronic music. He is well known for his works on ambient techno and arctic themed pieces, his use of music loops, and peculiar samples from sci-fi sources. His 1997 album Substrata was voted by the users of the Hyperreal website in 2001 as the best all-time classic ambient album.