| Artist name | Roles | Recordings |
|---|---|---|
| Thom Wilson (US producer/recording engineer) | mix | What Price Happiness?, Where Are We Going?, Who Can You Believe In? |
| Jean Choux | ||
| Toni Kraus |
| Artist name | Roles | Recordings |
|---|---|---|
| Thom Wilson (US producer/recording engineer) | mix | What Price Happiness?, Where Are We Going?, Who Can You Believe In? |
| Artist name | Roles | Recordings |
|---|---|---|
| Jean Choux | performer | El son del dolor |
| Toni Kraus | performer | Roll Up |