Album was composed by Ennio Morricone and was released on March 05, 2013. Soundtrack consists of 39 tracks tracks with duration over more than hour. Album was released by Paramount Music!.
CD 1
| 1 | Above the Clouds (Theme from Fat Man and Little Boy)Ennio Morricone | 06:01 |  |
| 2 | Fat Man Logo / Main Titles / Mysterious Meeting / A Faustian Bargain / Arrival at CampEnnio Morricone | 06:48 | |
| 3 | Fat Man and Little Boy / We Are People, Not NumbersEnnio Morricone | 02:42 | |
| 4 | 2 A.M. News / Groves’ Advantage / First AccidentEnnio Morricone | 02:24 | |
| 5 | No Options / Madness and Suspicion / Oppie’s ReflectionsEnnio Morricone | 03:14 | |
| 6 | One Thousand Times Love / Love Is EndedEnnio Morricone | 04:32 | |
| 7 | Icy Fusion FizzlesEnnio Morricone | 01:04 | |
| 8 | Groves’ MadnessEnnio Morricone | 01:50 | |
| 9 | Implosion Test / Bad News / In the TankEnnio Morricone | 01:47 | |
| 10 | Human IndecisionEnnio Morricone | 03:16 | |
| 11 | Give ‘em Dignity / Secret File / GuillotineEnnio Morricone | 02:12 | |
| 12 | Second Explosion / Pressure Oppie / Oppie’s Indecision / Against the TestEnnio Morricone | 03:45 | |
| 13 | In the TrainEnnio Morricone | 02:24 | |
| 14 | Critical Mass / Innocent LoveEnnio Morricone | 02:19 | |
| 15 | Merriman’s AccidentEnnio Morricone | 02:40 | |
| 16 | Will to SurviveEnnio Morricone | 02:23 | |
| 17 | Why Me?Ennio Morricone | 02:24 | |
| 18 | Do It! / It’s a Go! / Kathleen’s GoodbyeEnnio Morricone | 02:53 | |
| 19 | Hiroshima and NagasakiEnnio Morricone | 03:08 | |
| 20 | Finale / End Title (Film Version)Ennio Morricone | 05:43 | |
| 21 | First ExpeditionEnnio Morricone | 01:27 | |
| 22 | Piano SourceEnnio Morricone | 00:43 | |
| 23 | CelebrationEnnio Morricone | 01:03 | |
| 24 | FireworksEnnio Morricone | 01:47 | |
| 25 | Slow DancingEnnio Morricone | 00:38 | |
| 26 | Go DancingEnnio Morricone | 01:27 | |
| 27 | Radiation BluesEnnio Morricone | 01:38 | |
| 28 | Sonata #17 in D Minor (Opus 31, No. 2 "Tempest") (Beethoven)Ennio Morricone | 01:04 | |
| 29 | Danse Villageoise from "Dix Pieces Pitoresques" (Chabrier)Ennio Morricone | 01:21 | |
| 30 | We Must Not ForgetEnnio Morricone | 06:11 | |
| 31 | Mysterious Meeting (Alternate)Ennio Morricone | 00:55 | |
| 32 | A Faustian Bargain (Alternate)Ennio Morricone | 01:42 | |
| 33 | Icy Fusion Fizzles (Alternate)Ennio Morricone | 01:04 | |
| 34 | Final Celebration (Unused Finale)Ennio Morricone | 01:41 | |
| 35 | Higher and HigherEnnio Morricone | 05:52 | |
| 36 | Innocent Love (Two Alternates)Ennio Morricone | 01:34 | |
| 37 | Why Me? (Alternate)Ennio Morricone | 02:27 | |
| 38 | Final Celebration (Alternate)Ennio Morricone | 01:42 | |
| 39 | One HopeEnnio Morricone | 06:02 | |
