Related Clues:

• 72 Down piece
• Tenor's solo
• Classical singer's selection
• ''Tosca'' solo
• 'Votre toast,' for one
• ''Macbeth'' excerpt
• Solo by Sills
• ''Otello'' piece
• 45-across selection
• Song for 63 Across
• Operatic number
• ''Messiah'' melody
• Slow Cuban dance
• Big moment at La Scala
• "Elsa's Dream," for one