Gray Matter Original Soundtrack
| Composed by | Robert Holmes |
| Published by | dtp entertainment |
| Release type | Game Soundtrack - Official Release |
| Format | 1 Digital - 22 tracks |
| Release date | October 29, 2010 |
| Duration | 01:02:19 |
| Genres |
Digital version.
All music composed by Robert Holmes
Performed by The Scarlet Furies (01, 03, 06, 20, 22)
| 1 | David's Theme (Feat. The Scarlet Furies) | 03:39 |  |
| 2 | Street-Smart Sam | 00:45 | |
| 3 | Never Going Back (Sam's Theme) (Feat. The Scarlet Furies) | 04:07 | |
| 4 | Sam's Investigations | 03:21 | |
| 5 | Rumours About Dr. Styles | 01:41 | |
| 6 | Safe In Arms (Feat. The Scarlet Furies) | 05:48 | |
| 7 | The Daedalus Club | 05:04 | |
| 8 | Misleading Signs | 02:32 | |
| 9 | Set A Trap | 01:12 | |
| 10 | Lady Byron | 02:42 | |
| 11 | The Vision Laura | 02:27 | |
| 12 | Angela | 02:53 | |
| 13 | The Lab | 02:45 | |
| 14 | The Happening | 00:48 | |
| 15 | The Experiment | 02:04 | |
| 16 | The Effect | 02:56 | |
| 17 | The Black Wand | 02:03 | |
| 18 | David's Theme (Piano) | 02:41 | |
| 19 | The False Laura | 01:40 | |
| 20 | Never Going Back There (Instrumental) (Feat. The Scarlet Furies) | 04:11 | |
| 21 | Angela | 01:24 | |
| 22 | Safe In Arms (Instrumental) (Feat. The Scarlet Furies) | 05:36 | |
