Here's the official tracklist. Most of it is English, but there are a few in Japanese.
Disc 1
01. Time Travelers
02. Another Timeline
03. Cosmic Elevator
04. Dr. Schrödinger, tell me please? (Mikoto's Theme)
05. Wanderer (Yuri's Theme)
06. Midorigaoka High School
07. Yuri and Mikoto
08. Days with Mikoto
09. Gone Are The Days
10. An American Joke
11. Ahn-Nyeong Hah-Seh-Yo
12. The Door Into Summer (Hina's Theme)
13. TV FIVE
14. “Hina Fushimi”
15. Time after Time (Shindo's Theme)
16. Ingenious Impostor
17. Family Ties
Disc 2
01. Hero Behind the Mask (Ressentiment's Theme)
02. My Blunders
03. Hero
04. Love Ballad
05. Big Hand
06. A Tribute to Seven(From Robert Schumann's Piano Concerto in A Minor Op.54 - I. Allegro Affettuoso)
07. Signature Pose
08. ミライノウタニノセ (Ressentiment Lady's Theme)
09. An Honest Heart (Kamiya's Theme)
10. Angst
11. Son
12. Sawaki's Trap
13. Leaping Through Time
14. Lost Hall
15. Tokyo Annihilation
16. Dead End
17. Moment of Truth
18. Ready for Combat
19. Victory Grasped
20. Now or Never
21. Dilemma
22. Shady Business
23. The Bright Side of Life
24. Sultry Fantasy Escape
25. Harbinger of Sorrow
Disc 3
01. High Spirits
02. Blissful Relief
03. Another Place and Time
04. Carefree Days
05. Drenched in Dread
06. The Truth of the World
07. Without Warning
08. Perplexity
09. An Emergency
10. Tragic Ending
11. Stunned
12. Clumsy
13. In Vain
14. Fools' Failure
15. To be Continued
16. Telephone that Passes through Time
17. The Final Letter
18. All Japan Electric Power Company Ad “Rulers in Electricity”
19. ミライノウタニノセ (Piano ver.)
20. Revolt of the Skulls
21. S.I.F.
22. For the Sake of Someone
There's also a PV to accompany it that features some of the vocalists on the album.
www.youtube.com/watch?v=kwVOmorz69w
EDIT: Hideki Sakamoto told me that The Final Time Traveler sung by Sarah Alainn is also on the soundtrack (and it appears in the PV), but I don't see it in the tracklist. It may be "The Final Letter," which may be a typo, or is it one of the Japanese titles, perhaps?