So Baby is the third single from Sivakarthikeyan starrer Doctor movie. Anirudh Ravichander composes the music while Sivakarthikeyan penned the lyrics. It is a fusion number of classical and western. Nelson Dilipkumar, Sivakarthikeyan, and Anirudh have announced the song release in their style. Watch So Baby full song on 25th February 2021.