After 1971 Canadian content regulations (25% on air) @CKLW declined but still *RosalieTrombley broke *AnneMurray *GordonLightfoot *JoniMitchell *GuessWho *AprilWine *BTO songs in US. FM radio rose 1970s. Canada at first didn't license FM to rock.

 

 

 

Bachman-Turner Overdrive

(*BTO)

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