A light breeze flowing across the Jamuna river mingles with a lonely voice. The musician recites a line from a Sufi poem -- it could be Amir Khusrao. The words float high above, supported only by a harmonium. Then a chorus of four others echoes the melody. Someone picks up the dholak, another begins clapping to the beat. Gradually, the singing gathers momentum and a gathering of devotees, mesmerised, starts swaying to the music. Cut to Lincoln Centre, New York. An orchestra makes its entry on stage and is applauded by the couple of thousand people seated in the magnificent air-conditioned auditorium. A rotund man puts one hand to his ear, raises the other evocatively and begins singing. Within minutes, hordes of people -- from Punjabi taxi drivers to punky Asian teenagers -- are dancing...