TASK DEFINITION: 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.
PROBLEM: Category: I HEAR A SYMPHONY 
Clue: Mozart's 38th is called by the name of this city that stood in for Vienna in the filming of "Amadeus"

SOLUTION: prague

PROBLEM: Category: COMPOSE YOURSELF! 
Clue: At his peak he composed 2 or 3 operas a year like "Lucia di Lammermoor"

SOLUTION: gaetano donizetti

PROBLEM: Category: WORLD GEOGRAPHY 
Clue: There’s a museum dedicated to this author of “The Red and the Black” in Grenoble, his birthplace

SOLUTION:
stendhal