| Artist name | Roles | Recordings |
|---|---|---|
| Casker | ||
| Davy Deckmijn | ||
| Epik High | ||
| 김현진 (engineer) | recording | Someday |
| 이병호 | guitar | Someday |
| Artist name | Roles | Recordings |
|---|---|---|
| Casker | ||
| Davy Deckmijn | ||
| Epik High | ||
| 김현진 (engineer) | recording | Someday |
| 이병호 | guitar | Someday |
| Artist name | Roles | Recordings |
|---|---|---|
| 김현진 (engineer) | recording | Someday |
| 이병호 | guitar | Someday |
| 장승준 | arranger, producer | Someday |
| 최형 | mix | Someday |