Mark Snow

Mark Snow (born August 26, 1946) is an American composer for film and television, best known for his work with The X-Files.
Among his most famous compositions is the theme music for sci-fi television series The X-Files. The theme reached #2 in the UK Singles Chart. Snow also wrote the music for another Chris Carter series, Millennium, and the background music scores for both shows, a total of 12 seasons' worth.