Root Double -Before Crime * After Days- Xtend Edition Original Soundtrack
AlbumTracklist 85:07
CD 1
| 1 | Peacemaker / Theme of Yuuri | 2:18 | |
| 2 | Helper / Theme of Mashiro | 2:42 | |
| 3 | Individualist / Theme of Louise | 2:36 | |
| 4 | Challenger / Theme of Jun | 2:44 | |
| 5 | Loyalist / Theme of Tachibana | 2:30 | |
| 6 | Achiever / Theme of Ena | 2:26 | |
| 7 | Quiet Days of Rokumei City | 2:03 | |
| 8 | Languid Hours of Rokumei City | 2:06 | |
| 9 | Anxious Times of Rokumei City | 2:05 | |
| 10 | LABO Security Lv 1 | 2:06 | |
| 11 | LABO Security Lv 2 | 2:05 | |
| 12 | LABO Security Lv 3 | 2:08 | |
| 13 | Looming Crisis | 2:01 | |
| 14 | Approaching Death | 2:03 | |
| 15 | Psychological Warfare | 2:07 | |
| 16 | Evil and Nightmares | 1:53 | |
| 17 | Abyss | 2:03 | |
| 18 | Family and Friends | 2:03 | |
| 19 | Foolishness | 0:48 | |
| 20 | Words of Healing | 2:01 | |
| 21 | Extra-Sensory Perception | 2:01 | |
| 22 | Close to the Truth | 2:06 | |
| 23 | Pose the Question to the World | 2:04 | |
| 24 | The Truth is Revealed | 1:53 | |
| 25 | The Brave Decision | 2:37 | |
| 26 | Memento Mori | 2:37 | |
| 27 | Convergence | 2:31 | |
| 28 | End of the Route | 4:44 |
CD 2
| 1 | Double Bible 結城アイラ | 4:13 | |
| 2 | Double Bible (Inst. Arrange) | 5:07 | |
| 3 | Rondo Carrousel (Inst. Arrange) | 4:34 | |
| 4 | Rondo Carrousel 結城アイラ | 4:20 | |
| 5 | Rondo Carrousel (Music Box) | 3:19 |