They have sung the Senorita track for the film which has them tap dancing, Says Abhay, "When I was asked to sing, they told me don't worry technology will take care of your voice and make it sound good. I didn't rehearse, just got the lyrics and started singing."
But for the live concert, the stars have been rehearsing in the midst of their hectic schedules. There are no retakes in real life, no?