Unlike most of his peers in the Americana community, Smith manages to defy being pigeonholed by inflecting his music with touches of blue-eyed soul (“Fray”), Asbury Park-indebted blues-rock (“Holy Water”), and even Gordon Lightfoot (“Arrowroot”). Though Underground might technically fall under the umbrella of a “quarantine album,” these songs differentiate themselves from Smith’s oeuvre in their raw, confessional nature and their hummability: these are songs not easily shaken from memory.