Z-Ro teamed up with Slim Thug and J-Dawg for a gangsta party at Houston’s Arena Theater. And what’s a Z-Ro show without his timeless “Mo City Don Freestyle.” OK, so you’ve seen a million clips of Ro performing “Mo City Don Freestyle.” But have you ever seen him play it with a band? While wearing a three-piece suit? In a black and white video? Didn’t think so.