Underground Hip-Hop Volume 4 In Stores: Tuesday, April 25, 2006 The return of the URBNET Records underground hip-hop compilation series is here. Underground Hip-Hop Volume 4 comes stacked with 17 blazin' tracks and over 59 minutes of new music. UGHH V4 is the essential collection for everyone who demands today's finest Hip-Hop music. The album features the latest hit singles from Classified, DL Incognito, Eternia, Mathematik, Tru-Paz, Reign, Mood Ruff, as well as exclusive music from Isis, OK Cobra and Urbnet's newest signing, Jay Bizzy. Enjoy!