The soundtrack and background score is composed by Anirudh Ravichander

Anirudh Ravichander

Anirudh Ravichander is an Indian film composer in the Tamil film industry. He made his debut as a Music Director for the upcoming Tamil film, 3 directed by Aishwarya Dhanush. He is an alumnus of Loyola College, Chennai and Padma Seshadri Bala Bhavan group of schools. He has been inspired by the...

. The single track "Why This Kolaveri Di

Why This Kolaveri Di

Why This Kolaveri Di |3]], which is due to be released in 2012. The soundtrack and background score is composed by Anirudh Ravichander.This song was officially released on 16th November 2011, and it instantly became viral on social networking sites for its quirky "Tanglish" lyrics...

", written and performed by Dhanush

Dhanush

Venkatesh Prabhu Kasthuri Raja , better known by his stage name Dhanush , is an Indian film actor, occasional playback singer and lyricist, working in the Tamil film industry...

 was initially leaked in internet. Makers, having noticed its popularity, had later decided to go for an official release. Soon, the song has become the most searched YouTube

YouTube

YouTube is a video-sharing website, created by three former PayPal employees in February 2005, on which users can upload, view and share videos....

 video in India by attracting more than 9 million views within 13 days.