"I definitely get shy... Do you like your voice on the voicemail? OK. Imagine it being on the radio like that... I'm grateful but it's still like, 'Is that really my song...?' So when I'm on the show and that happens, (I get shy)." Superproducer Pharrell Williams is not comfortable whenever he hears his own music played in public or when contestants on THE VOICE perform his tracks in front of him. Pharrell is a judge on the U.S. show.