louis edward satterfield ( 3 april 1937 , shaw , mississippi , united states -- 27 september 2004 , chicago , illinois ) , also known with the stage names of lui-lui and sat , was an american bass and trombone player , primarily noted as a session musician and for his tours as a sideman with a large number of highly visible and commercially successful blues rock performers including b.b . king , muddy waters , howlin ' wolf , earth , wind & fire , and phil collins .