"Everything that was written after Tristan was in some way influenced by Tristan," says Maestro Asher Fisch. Join Maestro at the piano in a special two part series, and learn what your ears are in for when you come to Tristan. In part one, "Revolution in Harmony," Fisch breaks down the most famous chord in all of opera, appropriately named the Tristan Chord, and explains why it changed classical music forever.