08/07/2017 05:35:51 PMUH News:The history of Houston hip-hop and archival pieces surrounding the distinctive “chopped and screwed” sound originated by the late Houston mix-tape artist Robert Davis Jr., or “DJ Screw,” are now part of the Houston Hip-Hop Collection at the University of Houston Special Collections in the M.D. Anderson Library.Shawn Lindseyselindsey@uh.eduResearch,Top Stories