Premise: Maynard James Keenan ( born James Herbert Keenan ; April 17 , 1964 ) , often referred to by his initials MJK , is an American musician , record producer , winemaker , and actor , best known as the vocalist for Grammy Award-winning progressive metal band Tool . Shortly thereafter , he formed the band Tool with Adam Jones . In addition to his music career , he has performed improvisational sketch comedy and ventured into acting .
Hypothesis: Maynard James Keenan is a musician.
Label: ENTAILMENT