Kolamaavu Kokila is the soundtrack to the 2018 Tamil-language black comedy film of the same name directed by debutant Nelson Dilipkumar and produced by Lyca Productions, starring Nayanthara.

The film's musical score is composed by Anirudh Ravichander whose soundtrack consisted of six songs written by Vivek, Vignesh Shivan, Arunraja Kamaraj and Sivakarthikeyan.

Nelson who directed Anirudh's concert tours, narrated the core idea of the script to the latter, which he found "interesting" and agreed to be a part of the film.

"Orey Oru" is written by Vignesh Shivan in his 30th song as a lyricist and featured the vocals of Anirudh and Jonita Gandhi; they collaborated for the second time having previously sung "Iraiva" for Velaikkaran (2017).

[1][6] The video for "Orey Oru" featuring Anirudh, Gandhi and guitarist Keba Jeremiah performing the song at a cafe was released on the same day as the single.

[12] Moviecrow rated 3.75 out of 5 stating "Anirudh Ravichander's knack for delivering catchy and immensely enjoyable tracks continues in Kolamaavu Kokila.

[23] Post the release of "Kalyana Vayasu", Anirudh was accused of plagiarizing the tunes from Sannan's "Don't Lie" and Chibz's "Feeling Me" for sampling the song.

[29][30] In late-December 2018, the song was removed from YouTube and other digital platforms citing copyright issues, and was replaced with another version sung by Abhay Jodhpurkar.