CFTR in Toronto was an AM powerhouse in the 70s and 80s.
Cory Galbraith who worked there reading news has a web page with an 11 minute sound bite.
http://www.galbraithcommunications.com/cftr/
The commercials and jingles are endless. Old school jocks Jim Brady, Mike Cooper (just retired last month from CHFI), Bill Hayes, Dan Williamson (what a voice!) and Broadway Bobby Day...etc