Who are the most powerful players in the music business, right now? Who has a vision for the future, and the capacity to make it happen? Billboard has gathered the people who are changing the game.
Universal Musical Group chairman Lucian Grainge tops this year's list, with other top power-players being Jimmy Iovine, Interscope chairman and in-house mentor on "American Idol," as well as star-maker Simon Cowell and his former "Idol" colleague Ryan Seacrest. Meanwhile, Epic CEO L.A. Reid, Cash Money's Slim and Baby Williams, songwriter Dr. Luke and Justin Bieber/Carly Rae Jepsen/PSY-signer Scooter Braun all find themselves in the top 50.
View the top 10 honorees for free -- to see Nos. 11-100, subscribe to Billboard right here. 
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