Here is another link that has some great Old Time and blues at different times of the week. Especially on Saturday from Noon to 3 pm.WMMT broadcasts out of Kentucky. Check out the Apalshop links on their web-site!
http://www.broadcast.com/radio/public/wmmt/
P.S. They use Microsoft Media Player (yuck!) which doesn't work on my PC at work (Darn).
P.P.S. Watch out. If you're late in tuning in you may get some real real hard rock and punk music. The station is very eclectic.
JAB