Kerosene Kondors: New American Standards (2006)
A hillbilly band, just off the mountain, stops in St. Louis, 1928, rents rooms over a whorehouse and, after an outbreak of TB, are forced to sit in for the jumpin' ragtime/swing band, now deceased; much merriment ensues.
Recommended if you like
Old Crow Medicine Show,
Squirrel Nut Zippers,
The Devil Makes Three.