(BECKET, Mass.) – Broadway stars including Trent Kowalik (Billy Elliot), Dana Moore (Fosse), and Andy Gale (Les Miserables) will lend their voices and dance moves to the fifth annual A Jazz Happening in the Ted Shawn Theatre at Jacob’s Pillow Dance Festival on Sunday, August 21 at 8pm. This one-night-only benefit event, which celebrates the…