Anirudh Ravichander, also credited mononymously as Anirudh, is an Indian music composer and playback singer who works primarily in Tamil Cinema. He has also composed music for few Hindi and Telugu films. He has won two Filmfare Awards South, nine SIIMA Awards, six Edison Awards and five Vijay Awards.

"Why This Kolaveri Di" is a song from the soundtrack of the 2012 Tamil psychological thriller film 3, starring Dhanush and Shruthi Hassan. The song is written and sung by Dhanush, and composed by Anirudh Ravichander.