http://youtu.be/hvXW8tRcWhU#aid=Pw1ntNjTgAA
Jay-Z and Samsung premiered a new commercial for the upcoming Magna Carta Holy Grail app that will be released on June 24th. In this commercial you can see Jay-z and Timbaland in the studio working on new material for Jayz upcoming album Magna Carta Holy Grail, which will be available on July 4th.