| Artist name | Roles | Recordings |
|---|---|---|
| A.R.T. (Ali Reza Tahouni) | producer | Duppie, Nieuw lied |
| Mike Aiello | ||
| 유재석 |
| Artist name | Roles | Recordings |
|---|---|---|
| A.R.T. (Ali Reza Tahouni) | producer | Duppie, Nieuw lied |
| Artist name | Roles | Recordings |
|---|---|---|
| Mike Aiello | vocal | Utopia |
| 유재석 | vocal | Vroeger/Nu |