Related Clues:

• Squealed, so to speak
• Succumbed to being grilled
• Tattled, slangily
• Performed the national anthem
• Emulated Taylor Swift
• Did some selling out
• Performed in a choir
• Performed on "American Idol"
• Performed a cappella
• Get the beasts back from Africa
• Made music with the bloody French?
• Had belted out
• Performed, in a way
• Belted out a ballad
• Made like a rat