. . "Substrata is an ambient music album by Biosphere, released in 1997 by All Saints Records. It is considered to be a classic ambient album, consistently in the top 5 in surveys on the Hyperreal ambient mailing list.Being Biosphere's first truly ambient album, it has a theme of cold, of mountains and glaciers and running water."@en . . "Substrata"@en . . "3513.0"^^ . .