Answer: SANG

AnswerCrossword Clue
SANGBelted out a ballad
SANGPerformed, in a way
SANGBlew the whistle
SANGJoined the choir
SANGSerenaded
SANGDid the vocals
SANGTold the cops
SANGRatted
SANGTold all
SANGCompeted in "American Idol"
SANGEmulated Faith Hill
SANGDid some selling out
SANGTook charge of the karaoke machine
SANGEngaged in karaoke
SANGActed the ratfink
SANGDid Donizetti, perhaps
SANGConfessed, slangily
SANGRatted to the fuzz
SANGDid a ditty
SANGSold out or belted out
sangto make a whistling or humming sound
SANGTold the cops everything
SANGDid some karaoke
SANGVocalized
SANGPerformed on "American Idol"
SANGCrooned
SANGNamed names
SANGWas a stoolie
SANGSquealed
SANGWarbled
SANGAired out one's pipes
SANGSpilled the beans
SANGCaroled
SANGDid a vocal number
SANGDid a number
SANGFinked
SANGActed like a rat
SANGPerformed at a cabaret
SANGBelted out
SANGSquealed, so to speak