Charlie Wilson & Trey Songz HeadlinersShining Bright like a Diamond Memorial Day Weekend May 20-25 COMEDY NIGHT AND LIVE PERFORMANCES BY AN ARRAY OF MUSIC ARTISTS LOS ANGELES, March 12, 2015 /PRNewswire/ -- Crowning off the 15 th Anniversary of the Soul Beach Music Festival hosted by Aruba are nine-time Grammy nominee megastar Charlie Wilson, Saturday headliner,…