Canadian musician (bass, cello, keyboards), composer, arranger and producer.
Born in Montréal April 7, 1944 and died June 3, 2025.
Owns and operates Studio Paysage.

In his sessions years (From 1962 to 1972), he has played for César Et Les Romains, La Révolution Française, Isabelle Pierre and many more. See his website for further artists.

He had is nickname ''Bill'' when he was a child, because his friends were English Canadian and they had trouble to pronounce his friench middle name ''Guillaume''.
They pronounced it ''Gwyllôme'', has been cut to ''Gwyll', because it was strange they changed it to ''Will'', then later someone named him ''Bill'' and it has stayed since.