New Delhi, June 15 (IANS) Be it megastar Amitabh Bachchan's bold attempt at a cappella or the 'Senorita' feat of Farhan Akhtar, Hrithik Roshan and Abhay Deol, they are all busy crooning to add a little spice to music albums. And if they go out of tune, there's always technology to make a course correction.