Here are some of the hottest new tracks this week. Make sure you do your ears a favour and check them out!

Lil Wayne- Rebirth

Nick Jonas And The Administration- Who I Am

Justin Bieber- My World 2.0 (pre-order)

Various Artists- Now! 15

Mary J. Blige & Andrea Bocelli- Bridge Over Troubled Water

Bon Jovi- Grammy Performance Medley

Lady Gaga f. Elton John- Grammy Performance Medley