Question: What job do the writer of Lace Up and Waka Flocka Flame have in common?
Sentence (from "Lace Up"): The album was supported by four singles: "Wild Boy" featuring Waka Flocka Flame, "Invincible" featuring Ester Dean, and "Hold On (Shut Up)" featuring Young Jeezy, alongside a promotional single, "Stereo" featuring Alex Fitts.
Relevant evidence: No