jkofkrust: It's the mother of all mashups. We took #MaryJBlige 's #FamilyAffair and sang a bunch of old time #rocknroll classics to it. We like to call it "Reversed Sampling". Hope you dig it. #mashup #collab #Acapella #cover #ChuckBerry #Elvis #Beatles #SamCooke #FatsDomino #CarlPerkins #ChubbyChecker