Education
In that city he studied the clarinet with Oscar Arnold and Jacques Vanpoucke.
In that city he studied the clarinet with Oscar Arnold and Jacques Vanpoucke.
Born in L"Ancienne-Lorette, Quebec, Gagnier moved to Montreal in 1874 after deciding to pursue a music career. He was also a student of music theory with Joseph Geai and Ernest Lavigne. Gagnier began his career performing in the orchestras of a variety of Montreal theatres during the late 1870s and 1880s.
From 1890-1919 he was clarinetist at Sohmer Park.
He continued to play with that orchestra as a clarinetist up into the latter years of his life. He died in Montreal in 1919.
Gagnier was the father of 27 children. He taught music and a variety of instruments to most of them, "thus forming a veritable Gagnier orchestra".