“Outlaw country” singer/songwriter Summer Dean visits her college stomping grounds of Lubbock, Texas, and discovers that the city offers a lot more music history than the beloved Buddy Holly. In San Antonio, punk rock drummer Phanie Diaz checks out public art projecting over 300 years of history on the walls of a Catholic cathedral. In Houston, hip hop artist Lou Charles meets “raptivist” Genesis Blu, the first woman to be voted Best Rapper by the Houston Press.