Which of the following statements is NOT true?
Scott Joplin composed the Maple Leaf Rag as a tribute to the saloon in Sedalia, Missouri
Although the forms derive from European marches and dances, the rhythms of ragtime are rooted in African American folk music
Scott Joplin's opera Treemonisha was a great success at its first performance in 1915
Scott Joplin was trained in 'classical' music and wrote a ballet and two operas along with his many piano rags