Today, we look at Houston rapper Chamillionaire's 2006 hit, "Ridin'." There have definitely been bigger, more emblematic Houston hip-hip figures: DJ Screw, Geto Boys, Paul Wall, for starters.

Today, we look at Houston rapper Chamillionaire's 2006 hit, "Ridin'." The slightly spooky intro kicks it off, a deep burble of keyboards with a fat beat backing. Then the punch of synthesizer ...