| Artist name | Roles | Recordings |
|---|---|---|
| Eli Fontain (percussion) | ||
| Hans Morren (photographer) | ||
| Vocal Forum Graz | ||
| 윤하 |
| Artist name | Roles | Recordings |
|---|---|---|
| Eli Fontain (percussion) | ||
| Hans Morren (photographer) | ||
| Vocal Forum Graz | ||
| 윤하 |
| Artist name | Roles | Recordings |
|---|---|---|
| Eli Fontain | arranger | 아나요 (Let You Know) |
| Hans Morren | keyboard | Yes, I'm a Rapper |
| Vocal Forum Graz | piano | 마돈나 |
| 윤하 | arranger, piano, synthesizer | 고백하기 좋은 날 |