He notably performed in concerts with Marchand at the CPR Festivals between 1927 - 1930 .
During the 1920s , Gratton toured with Charles Marchand performing folk music that was harmonized by O'Brien .
Gratton notably performed in concerts with Charles Marchand at the CPR Festivals between 1927 - 1930 .
During the 1920s , Gratton toured with Charles Marchand performing folk music that was harmonized by O'Brien .