The GGRIL is a Canadian ensemble of musicians who experiment with various forms of interactions possible in an orchestra without a conductor, bringing together a dozen musicians from different backgrounds.

Le Grand Groupe Regional d'Improvisation Liberee (GGRIL) of the St. Lawrence region is conducted by British saxophonist Evan Parker in this live concert held in Rimouski after a workshop hosted by Evan Parker.

An audio and acousmatic documentary of the sounds along the St. Lawrence River, above and below water, and the voices of the people living around the shore.