Recordings of and talk about a wide variety of old time American music.An online collection of early educational public radio content from the National Association of Educational Broadcasters (NAEB).
https://www.unlockingtheairwaves.org/programs/bluegrass-and-mountains/
Old-timey recordings of Dr. Edward Mellon
This program features a variety of recordings from the collection of Dr. Edward Mellon, a faculty member at the University of Michigan with an interest in old time music.