Related Clues:

• Try out for ''American Idol''
• Save one's own neck, maybe
• Tell all?
• Spill it
• Turn informer
• Participate at karaoke night
• Be a stoolie
• Do a medley, say
• Croon
• Apple pie seasoning
• Birds do it
• Get in trouble, in a way, with 'on'
• Serenade
• Do numbers
• Perform in an opera