So as Mariah Carey sang her classic Christmas song for a captive audience in New York City, someone on staff was readying to leak the isolated vocal track.
As you can hear, Carey’s voice struggles on a lot of notes, sometimes sounding shrill and hoarse.
Granted, every singer has better days than others. And with the backing tracks it comes off all right. But if you don’t take care of your voice, or go into high notes without proper warm up or preparation, it will have these kinds of effects over time.
Compare it to the track with the backup singers and band: