Related Clues:

• Kathleen Battle delivery
• Elaborate solo piece
• 'O patria mia,' e.g.
• Contralto solo
• 'Lullaby,' for one
• Tune for Tebaldi
• Beverly Sills solo
• 'Habanera' from 'Carmen' is one
• ''Toreador Song,'' for one
• Mezzo's moment
• 'Nessun dorma,' e.g.
• Puccini's 'Nessun dorma,' for one
• Song for Domingo
• Evidence of Sills' skills
• "Toreador Song," e.g.