Shiny Old Soul has taken to the description "cosmic Roots" given their fusion of a bluesey, roots driven foundation and an eclectic, unbound catalogue of original songs. Comparisons range from Van Morrison to the Grateful Dead, the Meters, Pink Floyd and The Decemberists, to broader things like gypsy jazz & vintage rock. Yeah, they're one of those bands, sounding inevitably like themselves but with a bizarre tip of the hat to countless others.
