Related Clues:

• Happy Wagner hero?
• 'Otello,' e.g.
• See 17-Across
• Youth
• Musical composition
• 'Don Giovanni,' for one
• Symphony, e.g.
• Kind of hat or house
• Grammy category
• Collected works
• 'La Bohème,' e.g.
• Artist's work
• Field of buffos
• Aria area
• Paris landmark, with 'L''