Music
James Horner composed and conducted the score to Aliens, which was performed by the London Symphony Orchestra. In 1986, Varese Sarabande released a 12" vinyl record (LP) of the soundtrack. On October 25th, 1990, the same company put out a CD. On May 21st, 2001, they came out with the Deluxe Edition CD. Shown below are details on these, the one bootleg that's known to exist, and the Alien Trilogy CD.
1986 Vinyl LP

1. Main Title (5:10)
2. Going After Newt (3:08)
3. Sub-Level 3 (6:11)
4. Ripley's Rescue (3:13)
5. Atmosphere Station (3:05)
6. Futile Escape (8:13)
7. Dark Discovery (2:00)
8. Bishop's Countdown (2:47)
9. Resolution and Hyperspace (6:10)

Total Running Time - 39:57

1990 CD

1. Main Title (5:10)
2. Going after Newt (3:08)
3. Sub-Level 3 (6:11)
4. Ripley's Rescue (3:13)
5. Atmosphere Station (3:05)
6. Futile Escape (8:13)
7. Dark discovery (2:00)
8. Bishop's Countdown (2:47)
9. Resolution and Hyperspace (6:10)

Total Running Time - 39:57

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2001 Deluxe Edition

1. Main Title (5:13)
2. Bad Dreams (1:22)
3. Dark Discovery / Newt's Horror (2:07)
4. LV-426 (2:03)
5. Combat Drop (3:29)
6. The Complex (1:34)
7. Atmosphere Station (3:11)
8. Med Lab. (2:04)
9. Newt (1:14)
10. Sub-Level 3 (6:36)
11. Ripley's Rescue (3:19)
12. Facehuggers (4:24)
13. Futile Escape (8:29)
14. Newt is Taken (2:04)
15. Going After Newt (3:18)
16. The Queen (1:45)
17. Bishop's Countdown (2:50)
18. Queen to Bishop (2:31)
19. Resolution and Hyperscape (6:27)
20. Bad Dreams (Alternate) (1:23)
21. Ripley's Rescue (Percussion Only) (3:20)
22. LV-426 (Alternate Edit - Film Version) (1:13)
23. Combat Drop (Percussion Only) (3:24)
24. Hyperspace (Alternate Ending) (2:08)

Total Running Time - 1:15:28

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1998 Bootleg

1. Main Title (5:07)
2. Bad Dreams (1:22)
3. Dark Discovery (1:53)
4. Arrival at LV-426 (2:03)
5. Preparing for the Drop (3:25)
6. First Checking (1:31)
7. Atmosphere Station (3:09)
8. This Place is Dead (2:02)
9. The Unknown (1:10)
10. We Have a Job to Do (6:34)
11. Ripley's Rescue (3:14)
12. Burk Did It (4:22)
13. Futile Escape (8:21)
14. Newt is Taken / Elevator (2:01)
15. Going After Newt (3:13)
16. Sub-Level (6:33)
17. Bishop's Countdown (2:46)
18. The Bitch (1:50)
19. Resolution and Hyperspace (6:21)

Total Running Time - 1:06:57

Alien Trilogy CD

Alien
1. Main Title (3:16)
2. Hyper Sleep (2:45)
3. The Landing (4:33)
4. Breakaway (3:11)
5. The Droid (3:46)
6. The Door (1:28)
7. End Title (3:27)

Aliens
8. Main Title (6:21)
9. Futile Escape (5:45)
10. Bishop's Countdown (3:21)

Alien 3
11. Lento (5:23)
12. Candles in the Wind (4:16)
13. Adagio (4:15)

Total Running Time - 51:47

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