Exploring the history of improvisation in Montreal, Tour de Bras issues this unreleased 1973 recording from Le Trio Expansible of Yves Bouliane (Ensemble Supermusique) on double bass, Bernard Gagnon on guitar and Robert Marcel Lepage (Ambiances Magnetiques) on clarinet, including archival documents from the Experimental Music Workshop with texts by co-founder Raymond Gervais.

Montreal's most creative large ensemble, led by Joane Hetu & Daniell Palardy Roger, in their 5th release presenting works composed between 1976-2015 featuring twenty musicians playing in different combinations, showing the creative breadth and skills of this amazing band.