Hey, have a listen to this:

Cumberland Gap (2:35) ~2.37 MB
fiddle and banjo and vocals (with Paul Gartner)
West Fork Girls (1:44) ~1.59 MB
fiddle and banjo instrumental (with Paul Gartner)
Hyrum Herbert (3:59) ~3.64 MB
Solo, unaccompanied ballad

Or, have a look at this:

Streaming Video
Live at Kennedy Center for the Performing Arts Millenium Stage Performance, October 1, 2003
Solo show featuring fiddle and banjo and vocals, about 1 hr. in length