The Fredericksburg Symphony Orchestra’s third season opens with a collection of spooky favorites that is perfect for the entire family. But this Masterworks program, called Halloween Classics, also features some of the greatest works in history. Children will tap along to In the Hall of the Mountain King and the witch-led Danse Macabre and Night on Bald Mountain. But the ultimate Halloween piece—and among the scariest symphonies ever written for classical orchestra—is Symphonie Fantastique by Hector Berlioz. This mature work taps into the creative and disturbed genius of Berlioz, who was perhaps some 50 years ahead of his time