A live set from Dan Bern will air on radio program Jam Nation this Sunday. An interview with moe. guitarist Chuck Garvery will follow. The show airs every Sunday from 8 10 p.m. on Radio 104 WMRQ in Hartford, CT. It can also be heard online at www.radio104.com on XM Satellite Radio (Ch. 43) Thursdays at 10 p.m., Fridays at 4 a.m. and 1 p.m. and Sundays at 8 a.m.