Justin Bieber's Voice Changed

Singer Justin Bieber debuted at age 16 when his voice is still immature. Now Justin's voice has begun to change.

Changes in Justin's voice can be heard on her new album is titled 'Underneath the Mistletoe'. Not changed, but Justin could not now reach the high notes. Like when a duet with Mariah Carey in the song 'All I Want for Chrismas'.

"Vocals, he has changed", said the manager told Billboard.com Braunt Scooter (03/11/2011)

'Underneath the Mistletoe' not just a Christmas holiday album for Justin. The album was also describes the major changes in the maturity of the Canadian men.

"This album really shows its development as a young man, his voice has grown. This will surprise many people. (Album) This album is not the usual vacation," said Island Def Jam label president Steve Bartels.

Proceeds from sale of Justin's latest album is also filled with Boyz II Men will be donated to charity. Part of the proceeds will be dedicated to education.