Listen to the Prairies -- Film Description:
"Manitoba's annual Musical Festival is the subject of this film, which brings to the screen several of the young people whose talents have made the festival a leading event in Canadian musical activity. Choruses by boys' and girls' choirs, violin and piano solos, an excerpt from Gilbert and Sullivan's The Pirates of Penzance, and songs by a soprano and a contralto are among the numbers included in the film."
-- National Film Board of Canada

Source:
National Film Board of Canada. "NFB -- Listen to the Prairies." National Film Board of Canada. http://onf-nfb.gc.ca/en/our-collection/?idfilm=16322.