Adam Levine slams record labels for mismanaging 'The Voice' winners: 'No one knows what they're doing.'

When NBC's "The Voice" coach Adam Levine was once quoted criticizing his own show (specifically, the fact that it's never produced an actual music star), he claimed his words were taken out of context. But on Tuesday, he visited Howard Stern's radio show and delivered some unusually candid, harsh words about the same topic, all directed at the record labels affiliated with the reality competition series.