Mark Snow, the veteran television composer who turned “The X-Files ” theme into an unlikely chart hit in the 1990s, died Friday at his home in Connecticut. He was 78.

Mark Snow, the composer for a number of TV shows including The X-Files and its spinoff series Millennium, passed away on Friday, according to Variety. He was 78 and is the latest TV and film composer to pass away, preceded by Mission: Impossible’s Lalo Schifrin at the end of June.