Related Clues:

• Accomplishment for a soprano
• Challenging pitch
• Soprano note
• Musical note a soprano may hit
• It's hard to hit
• Gin fizz holder
• Singing peak
• An alto probably can't hit it
• Hard pitch to hit?
• Soprano's last note, perhaps
• Impressive note for a soprano to hit
• Note hit by a 64-Across
• Note that tests a singer's range
• Top of many a tenor's range