Bieber's philanthropic activities have included visiting children's hospitals. Intent on developing a more mature sound Bieber collaborated with a wide range of urban producers for the release as well as some long-time collaborators including Darkchild Hit-Boy Diplo and Max Martin. The album sold 57000 copies in its first week in Canada debuting atop the Canadian Albums Chart.
He followed up the release of his debut album with his first headlining tour the My World Tour the remix albums My Worlds Acoustic and Never Say Never – The Remixes and the 3D biopic-concert film Justin Bieber: Never Say Never. : /ˈbiːbər/ BEE-bər; born March 1 1994) is a Canadian pop musician actor and singer-songwriter. Bieber released his second studio album Under the Mistletoe in November 2011 when it debuted at number-one on the Billboard 200.