| 목소리 | 목소리 |
| 내일 그대와 | 내일 그대와 OST Part 2 |
| I Feel You | from Feel |
| The Last Goodbye(Cover.James Morrison) | covers& unreleased songs |
| 총 맞은 것처럼 | covers& unreleased songs |
| I Can't Stop Lovin' You(Cover.Don Gibson_Acoustic ver.) | covers& unreleased songs |
| 장마 | covers& unreleased songs |
| I'm Yours(Cover.) | covers& unreleased songs |
| 오르막길 | covers& unreleased songs |
| 이제 봄 | covers& unreleased songs |
| 만약에 말야 | covers& unreleased songs |
| 왜 자꾸 눈물이 | covers& unreleased songs |
| 뭐라고 (Inst.) | covers& unreleased songs |
| 필요해 (True Love) | Feel Free |
| Stay With Me | Feel Free |
| 뭐라고 | 뭐라고 [Digital Single] |
| 걱정말아요 그대 (inst.) | 슈퍼스타K6 곽진언 vs 김필 |
| 당신만이 | 슈퍼스타K6 곽진언 & 김필 & 임도혁 |
| 변하지 않은 마음 | CRY [Digital Single] |
| Bye December | Bye December |
| 괴수 | from Feel |
| 하늘을 걸어 | 동네변호사 조들호 OST Part.1 |
| 다시 산다면 (Inst.) | 기억 OST Part.1 |
| 우리는 | covers& unreleased songs |
