Martin Simpson wrote this one, and plays it beautifully:

Black Bottom Strut:

(versions by Three Stripped Gears and New Lost City Ramblers have brightened my days for years. One of the highlights of MY musical life was playing it with Mike Seeger at his house. You might also enjoy this version

from Technologists Notes.)

Nadishana:

or anyhow I can’t think of anything remotely like it:

See their Web site for more