| Artist name | Roles | Recordings |
|---|---|---|
| Alf Christian Hvidsteen | ||
| BoA (South Korean singer and actress) |
| Artist name | Roles | Recordings |
|---|---|---|
| Alf Christian Hvidsteen | ||
| BoA (South Korean singer and actress) |
| Artist name | Roles | Recordings |
|---|---|---|
| Alf Christian Hvidsteen | electric piano | EVIDENCE OF LOVE, あしたの私に会いに来て |
| BoA | instrument arranger | Every Heart -ミンナノキモチ- |