At eleven, Juan Jose and Morucha are determined to turn his small band into an orchestra and raise funds. The reason is to help a classmate who is seriously ill.
| Directing | Ignacio F. Iquino | Director |
| Writing | José Antonio de la Loma | Writer |
| Writing | Ignacio F. Iquino | Writer |
| Production | Ignacio F. Iquino | Producer |
| Production | Juliana San José de la Fuente | Executive Producer |
| Sound | Enrique Escobar | Music |
| Camera | Aurelio G. Larraya | Director of Photography |
| Editing | Juan Luis Oliver | Editor |
| Art | Andrés Vallvé | Set Decoration |
| Costume & Make-Up | Manuel Manteca | Makeup Artist |
| Production | Rafael Barasona | Assistant Production Manager |
| Production | Antonio Liza | Production Manager |
| Directing | Juan Gabriel Tharrats | Assistant Director |
| Art | Ginés Rodríguez | Property Master |
| Art | José Rovira | Settings |
| Sound | Miguel Sitges | Sound Engineer |
| Camera | Juan Prous | Assistant Camera |
| Camera | Julio Pérez de Rozas | Camera Operator |
| Camera | Rafael Pérez de Rozas | Still Photographer |
| Editing | Maricel Bautista | Assistant Editor |
| Directing | Federico Canudas | Script Supervisor |