Album was composed by Danny Elfman and was released on September 12, 2013. Soundtrack consists of 19 tracks tracks with duration over about 45 minutes. Album was released by DreamWorks II Distribution Co., LLC.
CD 1
| 1 | Charlie Trains AtomDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 01:59 |  |
| 2 | On the MoveDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 02:39 | |
| 3 | Into the ZooDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 01:01 | |
| 4 | Why We're HereDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 00:55 | |
| 5 | Meet AtomDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 03:17 | |
| 6 | It's Your ChoiceDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 01:28 | |
| 7 | Safe With MeDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 02:57 | |
| 8 | Atom Versus Twin CitiesDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 03:12 | |
| 9 | ...For a KissDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 00:56 | |
| 10 | Get In the TruckDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 01:12 | |
| 11 | BondingDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 02:01 | |
| 12 | Twin Cities' IntroDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 01:20 | |
| 13 | Parkway MotelDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 01:47 | |
| 14 | This Is a BrawlDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 01:48 | |
| 15 | You Deserve BetterDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 04:02 | |
| 16 | Into the RingDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 01:12 | |
| 17 | Taking a BeatingDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 01:33 | |
| 18 | Final RoundDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 06:53 | |
| 19 | People's ChampionDanny Elfman, Pete Anthony & Hollywood Studio Symphony | 02:06 | |
