| Artist name | Roles | Recordings |
|---|---|---|
| 1990 | ||
| 高橋早苗 | ||
| Harry Fraud | producer | Petrin Hill Peonies (WaveMix) |
| Artist name | Roles | Recordings |
|---|---|---|
| Harry Fraud | producer | Petrin Hill Peonies (WaveMix) |
| Artist name | Roles | Recordings |
|---|---|---|
| 1990 | vocal | MMG The World Is Ours |
| 高橋早苗 | vocal | Party Heart |