The final stretch of the torrent of Gorg Blau, known as Sa Fosca, is the protagonist of this documentary from 1986. It is directed by Paco Albuquerque, who also wrote the screenplay along with writer and journalist Llorenç Capellá, with music by Joan Bibiloni. Sa Fosca won the award for best Spanish film and the Audience Award at the International Film Festival Speleological of Barcelona in 1987.
After the screening, there will be a open trial by Kepa Artetxe musicians (viola) and Guillermo Femenias (archilaud), who will perform a repertoire with pieces by Giovanni Zamboni, Giovanni Paolo Cima, Giovanni Benedetto Platti, Johann Sebastian Bach and Heinrich Schütz.
