I remember listening to Garrison Keillor and his Lake Wobegon stories as a kid. That was pretty cool to listen to on (I think) KTRH and was what hooked me onto radio shows like that and old time radio shows. It's more fun to kick back and listen than have everything just thrown at you like they do on tv.
I thought it was Prairie Home Invasion. http://www.geocities.com/CapitolHill/Congress/2503/lyrics06.html#nostalgia
Or Prairie Home Companion Honestly, I've never heard of either, but I had to stick Mr.Mooch with that spelling correction after he pointed out someone else's mistake.