
Title: Wonderful, Wonderful
Used During: The Taylor's deaths and the final scene.
Performed by: Kenny James
Originally recorded by: Johnny Mathis
Album: 16 Most Requested Songs
Lyrics

Title: It's The Most Wonderful Time Of The Year
Used During: Scene at CSM's apartment during the "The Most Wonderful Time Of The Year!" section.
Recorded By: Andy Williams
Album: The Most Wonderful Time Of The Year
Lyrics

Title: Maria
Used During: Not played, but Scully sings a line from the song to Mulder.
Album: West Side Story: The Original Sound Track Recording
Lyrics
**Thanks to X-Files Music.com for this listing.
Album Title: Purple Rain
Used During: Mulder explanation of a transient leads to mention of purple rain. "Yeah. Great album. Deeply flawed movie, though."

Title: "Little" Fugue in G Minor
Composed By: Bach
Used During: One of the synagogue scenes.
**Mark Snow borrowed from this piece for the show. "The aim was to wind up somewhere between a Klezmer band and Schindler's List."

Title: Tattooed Love Boys
Used During: Scene with Ed in the bar at the start of the episode.
Recorded by: The Pretenders
Album: The Pretenders
Lyrics
**Thanks, Sandy, for sending me this one!
Title: Doesn't Somebody Want To Be Wanted
Used During: Apparently, this is what drove Ed to kill his downstairs neighbor.
Recorded by: The Partridge Family
**The version used in the show was actually performed
by a sound-alike group.
Album: The Definitive Collection
Lyrics

Title: Second Movement from Piano Concerto No. 4
Composed by: Beethoven
Used During: Piped-in music at the hospital.

Title: Unmarked Helicopters
Used During: The first scene with Mulder and Scully at Max's trailer. "Only Max Fenig and you would appreciate living like this."
Recorded by: Soul Coughing
Album: Songs In The Key Of X
Lyrics

Title: (Ain't It) Funny How Time Slips Away
Used During: The seduction scene.
Recorded by: Al Green
Album: Call Me
Lyrics