R&B singer Trey Songz (pictured) and reformed Gangster Disciple Harold “Noonie” Ward host a concert and panel discussion tonight at 6 PM at Lindblom High School (6130 S. Wolcott) to promote an end to youth violence in Chicago. Adero Neely, Ben One, Phoenix Phenom, Twista, and Trey Songz will perform; the panel will include Quentin Richardson and Eddy Curry of the New York Knicks, Maestro Harrell of The Wire, Twista, and Trey Songz. All guests will receive a gift bag with school supplies, Trey Songz CDs, and more. Call 773-826-8605 for more information.