Hit-ITunes top 10 songs Katy Perry “ California Guris” - Usher “OMG” - “Airplanes” BOB - Drake “ Miss Me” /Travie McCoy “ Billionaire” /Ke$ha “ Your love is my drug” /Black Eyed Peas “ Rock That Body” /Lady Gaga “ Alejandro” /Eminem “ Not Afraid” /La Roux “ bulletproof”