Related Clues:

• Callas solo
• Verdi song
• Prima donna's song
• ''O mio babbino caro,'' for one
• Diva's rendition
• Diva's showcase
• It's sung solo
• 'Turandot' tune
• Puccini tune
• Elaborate song for solo voice
• "Tommy" tune
• Solo number
• Diva's delivery, perhaps
• Diva delivery
• It may include some high notes