Kendrick Lamar wanted Lady Gaga to sing the hook on good kid, m.A.A.d. city highlight "Bitch Don't Kill My Vibe," but for some reason or another the demo they recorded just didn't fly with the powers that be. It just turns out that the demo was actually quite great. Figures.
Listen to the Lady Gaga-infused "Bitch Don't Kill My Vibe" demo below: