Related Clues:

• Castrato's register, perhaps
• Aida, for one
• Stuck-up star
• One who might hit an 83-Down
• Adelina Patti, for one
• Singing range for castrati, often
• 'Me, me, me' sort
• Opera heroine, often
• Top line on a chorale
• Kathleen Battle, for one
• One who might receive roses at the end of a performance
• Singing star
• Female megastar, in music
• Voice above the rest
• Singer with an ego