Complete Season 1 music information.

1X01 - Deep Throat

Song Title: The Truth
Composer: Mark Snow
Album: N/A
Used in: The last scene where Deep Throat meets Mulder.
 

1X03 - Conduit

Song Title: Brandenburg Concerto No. 4 in G Major, Mvt. I, Allegro
Composer: Johann Sebastian Bach
Album: Essential Bach
Used in: Played and mentioned - It was the music that Kevin "decoded" from his binary writings.
Composer also heard in 2x01 - Little Green Men, 4x12 - Kaddish
 

1X12 - Beyond the Sea

Song Title: Beyond the Sea
Artist: Bobby Darin
Album: The Ultimate Bobby Darin
Used in: Played at Scully's father's funeral and hummed by Luther Lee Boggs when first meeting Scully.
Download: Lyrics - Real Audio

Song Title: All Along the Watchtower
Artist: Jimi Hendrix
Album: Electric Ladyland
Used in:
Scully: Did Boggs confess?
Mulder: No, no, it was five hours of Boggs' channelling. After three hours I asked him to summon up the soul of Jimi Hendrix, and requested 'All Along The Watchtower'. You know, the guy's been dead twenty years, but he still hasn't lost his edge.
Download: Lyrics - Real Audio

Song Title: Hotel California
Artist: The Eagles
Album: Hotel California
Used in: Scully's flashback
Download: Lyrics - Real Audio
Artist also heard in 5x05 - Christmas Carol
 

1X13 - Genderbender

Song Title: "In The Line Of Duty: Street War" Main Theme
Composer: Mark Snow
Album: -
Used in: The teaser - it was the background music at the club
Download:  Real Audio

Song Title: Radar Love
Artist: Golden Earrings
Album: Moontan
Used in:
Scully: The chemicals animals secrete? You mean, sexual attractants?
Mulder: Radar love. Only about a hundred times stronger than found anywhere in nature, strong enough to product anaphylactic shock or a coronary.
Download: Lyrics - RealAudio
Artist also mentioned in 2x06 - Ascension
 

1X16 - E.B.E.

Song Title: E.B.E. Theme
Composer: Mark Snow
Album: -
Used in: Near the end where Mulder and Scully tries to get in the research facility.
 

1X23 - Roland

Song Title: Roland Theme
Composer: Mark Snow
Album: -
Used in: The last scene.