Mary J Blige is the only artist to have won Grammys in the R&B, Rap, Pop, and Gospel fields. This image appears in the gallery:50 Mind Blowing R&B Music Facts 36. Mary J Blige is the only artist to have won Grammys in the R&B, Rap, Pop, and Gospel fields. 50 images See the full gallery: 50 Mind Blowing R&B Music Facts