해피앤드 Original Television Soundtrack - EP
| Composed by | Kärtsy Hatakka |
| Published by | 개미프로젝트 |
| Release type | Film Score - Official Release |
| Format | 1 Digital - 4 tracks |
| Release date | January 06, 2012 |
| Duration | 00:14:52 |
| Genres |
| 1 | 슬프도록 아름다운K2 | 04:09 |  |
| 2 | Happy And혜림 (Hyelim) | 03:17 | |
| 3 | 슬프도록 아름다운 (Instrumental)K2 | 04:09 | |
| 4 | Happy And (Instrumental)혜림 (Hyelim) | 03:17 | |
