▁M ister ▁Kelly ' s , ▁an ▁up market ▁Chicago ▁night club , ▁was ▁recorded ▁and ▁released , ▁sign alling ▁both ▁M ud dy ' s ▁return ▁to ▁form ▁and ▁the ▁completion ▁of ▁his ▁transfer ▁to ▁white ▁aud ien ces . ▁ ▁In ▁ 1 9 7 2 , ▁he ▁won ▁his ▁first ▁Gram my ▁Award , ▁for ▁Best ▁Eth nic ▁or ▁Trad itional ▁Rec ording ▁for ▁They ▁Call ▁Me ▁M ud dy ▁W aters , ▁a ▁ 1 9 7 1 ▁album ▁of ▁old , ▁but ▁previously ▁un re leased ▁record ings . ▁ ▁Later ▁in ▁ 1 9 7 2 , ▁he ▁fle w ▁to ▁England ▁to ▁record ▁the ▁album ▁The ▁London ▁M ud dy ▁W aters ▁S essions . ▁The ▁album ▁was ▁a ▁follow - up ▁to ▁the ▁previous ▁year ' s ▁The ▁London ▁How lin ' ▁Wolf ▁S essions . ▁Both ▁albums ▁were ▁the ▁brain child ▁of ▁Ch ess ▁Records ▁producer ▁Norman ▁Day ron , ▁and ▁were ▁intended ▁to ▁show case ▁Chicago ▁bl ues ▁mus icians ▁playing ▁with ▁the ▁younger ▁British ▁rock ▁mus icians ▁whom ▁they ▁had ▁inspired . ▁M ud dy ▁W aters ▁brought ▁with ▁him ▁two ▁American ▁mus icians , ▁harm onica ▁player ▁Care y ▁Bell ▁and ▁guitar ist ▁Sam my ▁La wh orn . ▁The ▁British ▁and ▁Irish ▁mus icians ▁who ▁played ▁on ▁the ▁album ▁included ▁R ory ▁Gall ag her , ▁Steve ▁Win wood , ▁Rick ▁Gre ch , ▁and ▁Mitch ▁Mitchell . ▁M ud dy ▁W aters ▁was ▁diss atisf ied ▁by ▁the ▁results