NEW YORK, NY–(Marketwire – 06/28/10) – Songbook Entertainment/Atlantic recording artist Trey Songz was among the big winners at last night’s 2010 BET Awards, taking home the prestigious title of “Best Male R&B Artist.” In addition, the VA-based superstar stole the show with his tribute to Lifetime Achievement Award winner Prince, melding a portion of the classic “Purple Rain” to his own hit …