You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: SPORTS & MUSIC 
Clue: In July 2010 this Rock & Roll Hall of Famer performed at the Baseball H.O.F. induction ceremonies
john fogerty

Category: THE WIZARDS 
Clue: Novelist who wrote the line "I'm really a very good man; but I'm a very bad wizard"
l. frank baum

Category: ANNUAL EVENTS 
Clue: Sedalia, Missouri has a June festival honoring this "King of Ragtime" who once studied music there

scott joplin