Experience a summer night of women's a cappella barbershop singing! The Lehigh Valley Sweet Adelines chorus presents its FREE annual performance in the historic band shell at Allentown’s West Park, Wednesday, July 18 at 7:30 p.m.There are plenty of benches, but feel free to bring lawn chairs and blankets. And bring your family and friends to this night of beautiful music that spans every generation, including pop, swing, show tunes and heartfelt ballads!