Related Clues:

• Unescorted
• Tension-producing performance
• Like Lindbergh's flight
• 14-Across, e.g.
• Diva's piece
• Diva's offering
• By oneself
• Tuneful twosome
• Unaccompanied
• Love song, perhaps
• See 71-Across
• Verdi's 'Un di felice,' for one
• Without help
• 'You Don't Bring Me Flowers,' e.g.
• Aria