Related Clues:

• 'Fidelio' setting
• Sentence structure?
• The clink
• Bird
• Con's place
• Stoolie
• Small singer
• Where ''Don Quixote'' was written
• Where 38-Down spent 19 years
• Stool pigeon
• Bird in a cage
• Jail
• Spanish island group
• Place of confinement
• Tweety, e.g.