Related Clues:

• Performed on ''American Idol''
• Confessed under pressure
• Provided backup, in a way
• Courted with love notes?
• Warbled and squealed
• Did numbers drop after new cuts?
• Celebrated name in short novel series
• Celebrated in informal language, not Latin at first
• Did some karaoke
• Acted the ratfink
• Competed on ''The Voice''
• Informed on direction to be taken in slump
• What one on stage perhaps did in Los Angeles
• Chinese organ emitted melodious sounds
• Spilt the beans