Some of this composer of The Devil and Kate's works incorporated material intended for his never completed opera about Hiawatha, whose sobbing was represented in his most famous work.
Â William O. Douglas claims in his autobiography to writing vulgar parody lyrics for one of this composer's works. Those lyrics are "Passengers will please refrain from flushing toilets while the train is standing in the station (Darling I love you)." In one of this man's operas, Marbuel is a villainous title character who torments the other, a woman named Kate. From 1892 to 1895, this man served as the director of the National Conservatory of Music in New York City. Some of this composer of The Devil and Kate's works incorporated material intended for his never completed opera about Hiawatha, whose sobbing was represented in his most famous work. For 10 points, name this Czech composer of the Humoresques and his ninth symphony, From the New World. 
Â William O. Douglas claims in his autobiography to writing vulgar parody lyrics for one of this composer's works.
Antonin Dvorak