Related Clues:

• Prove one can carry a tune
• Vocalize
• One way to make a joyful noise
• Perform an aria
• ''Of Thee I ___''
• Try out for ''American Idol''
• Save one's own neck, maybe
• Tell all?
• Spill it
• Turn informer
• Participate at karaoke night
• Do a medley, say
• Croon
• Apple pie seasoning
• Birds do it