The imagination of nine-year-old Bart Collins comes to life in this fantasy film filled with surreal landscapes and tongue-twisting rhymes. When he is lulled to sleep by the monotony of his piano lessons, he dreams of a castle ruled by his eccentric piano teacher, Dr. Terwilliker. Dr. T wants to prove that his method of teaching piano is the best method in the world. After he banishes all other musical instruments to the dungeon, he lures 500 boys...