Songs in the Key of X: Music from and Inspired by The X-Files is a 1996 compilation album released in association with the American science fiction television series The X-Files. The album contained a mixture of songs that were either featured in the series, or shared thematic elements with it.
- "X-Files Theme (Main Title)" by Mark Snow
- "Unmarked Helicopters" by Soul Coughing
- "On the Outside" by Sheryl Crow
- "Down in the Park" by Foo Fighters
- "Star Me Kitten" by William S. Burroughs & R.E.M.
- "Red Right Hand" by Nick Cave and the Bad Seeds
- "Thanks Bro" by Filter
- "Man of Steel" by Frank Black
- "Unexplained" by Meat Puppets
- "Deep" by Danzig
- "Frenzy" by Screamin' Jay Hawkins
- "My Dark Life" by Elvis Costello with Brian Eno
- "Hands of Death (Burn Baby Burn)" by Rob Zombie and Alice Cooper
- "If You Never Say Goodbye" by P.M. Dawn
- "The X-Files Theme" (P.M. Dawn remix) by P.M. Dawn