Mark Snow, best known as the game-changing composer for "The X-Files," has died. Variety reports the composer died at his home Friday in Connecticut. He was 78.

Celebrated TV series composer Mark Snow has died aged 78.

Snow, 78, died Friday, July 4 at his home in Connecticut, Variety reports. The composer, who enjoyed a long career in TV and film, once recounted how the “X-Files” theme came to be in an interview for the Television Academy Foundation.