Mark Campbell (fiddle) from Richmond VA.
Key of D. Two parts but both have the same chord progression.
Dan Levenson on banjo [utoob] (music starts at 0:49).
This was recorded by the New Lost City Ramblers [sample at Smithsonian].
Old 78: Jack Reedy & his Walker Mountain String Band [non-video on utoob, music starts 25 seconds in]