The internet went crazy when the singing (brotherly) duo of Ali Zafar and Danyal Zafar shared a video clip on their Instagram page in which they`re recording a song with none other than the global hip hop star T.I. It has got their fans eagerly waiting in anticipation of what`s to come as a result of the collaboration.Pakistani pop and international hip hop coming together is a fascinating prospect. A, D and TI singing with each other will be an intriguing venture, FR,FR. . .