What job do the writer of Lace Up and Waka Flocka Flame have in common?
Lace Up: Lace Up is the debut studio album by American rapper Machine Gun Kelly. Waka Flocka Flame: Juaquin James Malphurs (born May 31, 1986), better known as Waka Flocka Flame or simply Waka Flocka, is an American rapper.
American rapper