 At age 17, he created his first vocal work as part of a choral group "Ar Baganiz", a precursor of the Breton revivalism of "An Triskell", for which he made many arrangements.He co-founded the "Cercle Breton de Brest", and organised the "Festival International des Cornemuses" at Brest from 1969.In 1974, he published a monograph on Breton music, wrote for several journals and contributed the chapter on Breton music in "L'Histoire littéraire et culturelle de la Bretagne".