Winnipeg's finest all-Yiddish radio program!
I met Rekhl Zucker at the Medem Bibliotheque at the intensive Yiddish seminars and got on the mailing list for her radio show, which airs most Sundays. She has an amazing record collection, I've heard some gems on her programs.
You can listen live on Sundays, 2:00-2:30 CDT, on CKJS.com.
And here is Rekhl's Yiddish radio archive where her old shows are kept. (You can search by date.)
Here's a singer, Joanne Borts, that I first heard on Rekhl's program. Just a snippet (the actual song starts about 0:49):