Recorded after the quartet had packed it in, their sole vinyl document inevitably left much to be desired for anyone who'd witnessed their through-the-roof club appearances. Still, the expressive opener, "Blue and Lonesome," manages to create a space of its own, avoiding comparisons with Little Walter's original. Middle brother Robben's expressive vocals defy his 20 years, and his Bloomfield-inspired guitar playing is even more authoritative. Meanwhile harmonica-playing Mark, only age 18, gives Butterfield a run for his money.