Luc Gauthier - Electric & Acoustic Guitars, Vocals
Olivier Duplessis - Piano, Synthesizer, Hammond B3, Clavinette, Electric Piano, Solina, vocals
Serge Nolet - flute, Vocals
Jean-Pierre Racicot - Drums, Percussion, Vocals
Christian Leon Racine - Bass, Vocals

https://rateyourmusic.com/release/album/opus_5/contre_courant/