Okay, so listening to this the next day now that I am more awake, the clip is a mix of Zhuang and Mandarin, which is normal in the area you were hearing. ID at :19 "FM 87.6, Baise (static) yinyue guangbo". Other Baise mentions at :44, :54, and 1:01. Baise Music Radio, 百色人民广播电台音乐广播.