He studied at summer schools at the Toronto Conservatory of Music , the George Little School of Music in Montreal and the Fred Waring School of Music in Pennsylvania .
As a young musician , Rumboldt met Charles Hutton .
Rumboldt studied at summer schools at the Toronto Conservatory of Music , the George Little School of Music in Montreal and the Fred Waring School of Music in Pennsylvania .
As a young musician , Rumboldt met Charles Hutton .