ATLANTA (AP) — Chris Kelly, half of the 1990s kid rap duo Kris Kross who made one of the decade's most memorable songs with the frenetic "Jump," has died, according to authorities. He was 34. Kelly, known as "Mac Daddy," and Chris Smith, known as "Daddy Mac," were introduced to the music world in 1992 by music producer and rapper Jermaine Dupri after he discovered the pair in an Atlanta mall. The duo wore their clothes backwards as a gimmick, but they won over fans with their raps. Their first, and by far most successful song, was "Jump." The hit, off their multiplatinum 1992 debut album "Totally Krossed Out," My condolences to the Tha Kid, Double Blizz and of course Flathead. .