Classic, doom-laden, blues with attitude, Historical sounding, authentic / genuine blues guitar from a bygone era, Think 'O Brother Where Art Thou'; history / retro, perhaps New Orleans / Southern / probibition era.
A very slow folk / country / Americana track. Nostalgic, wistful, a little bluesy. Starts off with a single electric slide guitar, then adds organ, bass and drums. The are various versions available.
Fun and lively, but not too over the top, blues / boogie track. Banjo / Dobro with bass, drums and later on, electric guitar in blues style. Think country life, farming / animals, rednecks, etc.