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.

Composer Mark Snow isbest for his work on the iconic X-Files theme as well as music for series such as Smallville, Ghost Whisperer, Blue Bloods and dozens of others.

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.