Related Clues:

• Opera song
• Massenet's 'Vision fugitive,' e.g.
• ''Tannhauser'' highlight
• Star turn
• Opera solo
• Rock climber's challenge
• Mountain climber's obstacle
• Mezzo's tune
• Solo for Sills
• 'Willow Song,' e.g.
• Greek nymph with a musical-sounding name
• Pons solo
• Verdi's ''Caro nome,'' e.g.
• What the fat lady sings?
• Song for Sills