Mask Masters original Sound Track - EP
| Composed by | 김성욱 / The Rock Diamond |
| Published by | AURA Entertainment |
| Release type | Film Score - Official Release |
| Format | 1 Digital - 5 tracks |
| Release date | September 27, 2013 |
| Duration | 00:07:31 |
| Genres |
| 1 | My Best FrendThe Rock Diamond & 김성욱 | 01:36 |  |
| 2 | ?? ??? ?The Rock Diamond & 김성욱 | 01:21 | |
| 3 | My Best Frend (English Version)The Rock Diamond & 김성욱 | 01:36 | |
| 4 | My Best Frend (Instrumental)김성욱 | 01:37 | |
| 5 | ?? ??? ? (Instrumental)The Rock Diamond | 01:21 | |
