Winners and participants in the Allentown Symphony Orchestra “Pictures At An Exhibition” March 10 and 11 concerts, Miller Symphony Hall, Allentown, included Tengyue Zhang, classical guitar 2017 Schadt String Competition winner; Diane Wittry, ASO Music Director-Conductor; “Pictures at an Exhibition 2018” composers Nathan Ball, Colin Worrich, Yanfei (Sophie) Wen; Dr. Larry Lipkis, composer-arranger;