The opening music from ‘The X-Files,’ one of the greatest television series of the past 30 years, just sort of happened. Here’s the story.

The stellar theme songs attached to them increased their memorability. Find TV show theme songs from the 1990s below that defined the decade.

Mark Snow, the Emmy-nominated composer behind the beloved X-Files theme song, has died. He was 78. Snow died Friday at his home in Connecticut, a representative confirmed to The Hollywood Reporter.

Mark Snow, the composer best known for creating the iconic theme song for The X-Files, has died at age 78. Nominated for 15 Emmys, Snow died at his Connecticut home, Variety first reported.

Snow’s first nomination was in 1994 for the main title theme music. The “X-Files” theme ended up charting in various countries, reaching No. 2 in the United Kingdom.

Mark Snow, Composer Who Haunted Us With ‘X-Files’ Theme Song, Dead at 78 Snow scored over 200 episodes of the beloved sci-fi series among tons of other television series and specials ...

When "X-Files" heroes Fox Mulder and Dana Scully wrap up their second big-screen search for the truth this summer, audiences will exit to two tracks by UK-based electronic/rock artist UNKLE: one ...

Mark Snow, a composer of music for television -- including the distinctively eerie theme for "The X Files" -- has died at age 78, his agent confirmed.

Mark Snow, the veteran television composer who turned "The X-Files" theme into an unlikely chart hit in the 1990s has died. He was 78.