Justin Bieber, Jimmy Fallon & The Roots Sing "Peaches" (Classroom Instruments)
Justin Bieber is a Grammy Award-winning singer-songwriter. After being discovered on YouTube, he signed a recording contract with Island/Def Jam and released his 2009 debut EP, My World. Bieber has released six albums since, all of which have topped the Billboard 200 albums chart. Additionally, he has recorded 74 Billboard Hot 100 songs. His latest album, Changes, will be released on February 14.