Fittingly for an artist with so many inspirations, Justin Bieber caught the ears of plugged-in talent managers with covers of his favorite songs on YouTube. Learn about the music that impacted the singer with this “How to Bieber” recipe. Take a dash of Boyz II Men's harmonies; a taste of 2Pac's confessional verses; and a heaping spoonful of Michael Jackson's impossible falsetto, and then mix well.