In the summer of 1977 in Chicago's PS Studios, legendary blues musician and producer Ralph Bass held a number of now mythical sessions that would feature some of the biggest names and best acts blues music had to offer from around the globe. Up next are sets from men that need no introduction. Backed by an incredible roster of equally skilled musicians including Bob Riedy on piano, bluesmen Jimmy Johnson and Eddy Clearwater step forward to serve up their best on tracks including 'Hi-Heel Sneakers', 'Blues at Theresa's' and 'Muddy Water's Goin' to Run Clear'.