Led by a jangly Spanish guitar intro expertly rendered acoustically by 13-year-old prodigy Esani Dey, 'Udi' is arguably the most groovy, foot-tapping song on Sunidhi's set. It is a wholesome track in every sense of the term - with a powerful choir backup, a thumping rhythm section, nice-sounding melodies and, of course, some truly powerhouse vocals..