Gwendolyn Jackson Published May 7, 2010 • Updated on May 7, 2010 at 10:30 am Gwendolyn Jackson is the editor and frequent contributor of SanDiegoRiddimVibez.com. You can follow her on Twitter. Hip-Hop and Comedy on One Stage: Imagine That! Lupe Fiasco, Shiny Toy Guns Headline USD Spring Concert