Who can forget the train song, Chaiyya Chaiyya from Dil Se featuring Shah Rukh Khan dancing on a train with the sultry Malaika Arora Khan. Beautiful lyrics and jumpy moves made it an instant hit since then.Now, a mash-up of Chaiya Chaiya featuring Internet star Sam Tsui, Indian singer Vidya, Shankar Tucker and Kurt Schneider has hit the internet and its rocking.