By Denny Dyroff, Entertainment Editor, The Times Hannibal Lokumbe In celebration of Martin Luther King Day, the Penn Museum (33rd and Spruce streets, Philadelphia, 215-898-4000, www.penn.museum) is presenting “Stolen Legacy” by Hannibal Lokumbe at 7 p.m. In partnership with internationally renowned artist, composer, and educator Hannibal Lokumbe, the Penn Museum presents “Stolen Legacy,”...