Related Clues:

• ''Vesti la Giubba,'' for one
• 16-Across's 'La donna è mobile,' e.g.
• 'Celeste Aida,' e.g.
• Bizet's "Toreador Song," e.g.
• "Tosca" feature
• "Porgy and Bess" solo, e.g.
• Solo for the fat lady?
• Da capo ___ (three-part song)
• ''Elsa's Dream,'' e.g.
• Song for the fat lady?
• Wagner's ''Prize Song,'' e.g.
• Operatic performance
• 72 Down piece
• Tenor's solo
• Classical singer's selection