American R & B singer K-Ci was born before 1970 .
`` } } K-Ci & JoJo is an American R & B duo , consisting of brothers Cedric `` '' K-Ci '' '' Hailey ( born September 2 , 1969 ) and Joel `` '' JoJo '' '' Hailey ( born June 10 , 1972 ) . ''
K-Ci & JoJo