Adrian Quesada is one of those people who doesn’t much like to sit still, at least not artistically. When he encounters something he digs, be it a song or a musical style, he likes to take it apart, to find out how its pieces fit, to learn about its influences and antecedents. When he was growing up in Laredo, traditional Mexican music was everywhere, and when he started playing guitar in his early teens, he initially studied flamenco. But his main love was hip-hop, and curious about the samples that provided hooks for so many songs he loved, he schooled himself on the original jazz and funk cuts being repurposed. After moving to Austin in 1995, he and some other Laredo expats who missed the…