Theauthorizedmusicalofincomparablegospelsingers,TheClarkSisters,recountsthestoryofthehighest-sellingfemalegospelgroupinhistoryandtheirtrailblazingmother,MattieMossClark(AunjanueEllis).CreditedwithbringingGospelmusictothemainstream,thefiveClarksisters(ChristinaBellas"Twinkie,"KierraSheardas"Karen,"Sh...