Effective period / Period of releases: 1967 - 2015

Members: Bob Margolin, Otis Spann, Francis Clay, Sammy Lawhorn, George "Mojo" Buford, McKinley Morganfield, Pinetop Perkins

The band exists during more than 20 years (late fifties to 1980) but was credited as main artist rarely.  On Muddy Waters releases, usually only the leader is credited.  It is on members or other artists projects that the band is credited as main artist like Big Mama Thornton, Muddy Waters Blues Band - Big Mama Thornton And The Chicago Blues Band or Otis Spann, Muddy Waters Blues Band - Live The Life.