Back Porch Bluegrass is a Radio show on Free FM, hosted by Paul Trenwith, a club member and founder member of the Hamilton County Bluegrass Band.
This weekly show is aired 'live' at 10pm on Tuesday nights on Free FM 89.0
Recent episodes are also available as podcasts, which can be listened to at any time from the above link. 
It's an hour of great music, from contemporary back to the 1930's, featuring both well-known and little-known musicians. Have a listen, you might enjoy it!