‘Primarily the work of Southern born bluesmen who immigrated to Chicago before the Second World War, but whose careers endured into the postwar era,’ this was the first Nighthawk release, with the label taking its name from a Robert McCoy recording featuring Big Joe Williams and Sonny Boy Williamson, included here. (‘I have prowled so long / Till it made my knee bones sore.’) With Big Bill Bronzy, Tampa Red, Washboard Sam, Johnny Shines and co.