Opera51 Messiah Sing conducted by Alan Yost. Soloists are Margretta Beaty, Debra Gleason Schwartz, Kartik Ayysola, and James C.S. Liu. This is a special event to benefit The Performing Arts Center at 51 Walden. Vocal scores available to borrow. Tickets are $20 adults/$10 students. For more information call 978 369-7911 or visit www.51walden.org.