Catch the much awaited "Po Po Song Video" from 'Son Of Sardaar' starring Salman Khan, Ajay Devgn, Sonakshi Sinha, Sanjay Dutt. This groovy number sees Ajay, Salman and Sanjay Dutt making PO PO expressions in the song. Directed by Ashwani Dhir, the music has been composed by Himesh Reshammiya. The lyrics of the song have been penned by Shabbir Ahmed.