| Artist name | Roles | Recordings |
|---|---|---|
| Sólo los Solo | ||
| Kepa Junkera | ||
| Voice of Tranquility | ||
| Iván Ferreiro | vocal | Soldado 229 (feat. Iván Ferreiro) |
| ToteKing | vocal | Hoy todo va al revés (feat. Toteking) |
| Artist name | Roles | Recordings |
|---|---|---|
| Sólo los Solo | guitar | Improviso 1, Improviso 2 |
| Kepa Junkera | performer | Haika Mutil |
| Voice of Tranquility | vocal | Devuélveme la vida |