Sunday, Nov 1, 1:30pm or 4:00pm at Roy Thomson Hall: Keep the fun going on Halloween weekend with a haunted house of sound, packed with spooky symphonies, mysterious melodies, and hair-raising surprises. You’ll be spellbound as the orchestra performs ghoulish grooves and bewitching beats like Night on Bald Mountain, Danse macabre, and more. Costumes are a must, dancing in your seat is encouraged, and laughter is guaranteed.