At underground film of the 1st Popular Festival of Catalan Poetry filmed in the Proce Theater in Barcelona on May 25, 1970, in solidarity with political prisoners. The participating poets were: Agustí Bartra, Joan Oliver (Pere IV), Salvador Espriu, Joan Brossa, Francesc Vallverdú and Gabriel Ferrater.
| Crew | Manuel Esteban Marquilles | Cinematography |
| Editing | Pere Portabella | Editor |
| Camera | Pere Domènech | Camera Operator |
| Directing | Pere Portabella | Director |
