Demon) is the soundtrack album composed by G. V. Prakash Kumar for the 2019 Indian Tamil-language film of the same name written and directed by Vetrimaaran, which stars Dhanush and Manju Warrier.

The soundtrack album which had seven songs written by Ekadesi, Yugabharathi, Eknath and Arunraja Kamaraj, was consisted to be a mix of raw folk elements with the approach of international music and had begun production during March 2019 and completed within that August.

[3] The film further marked Dhanush's collaboration with Prakash Kumar, eight years since his fallout with the composer during the production of Selvaraghavan's Mayakkam Enna.

[4] In March 2019, Prakash tweeted that he had started working on the compositions of the film, after completing the Suriya-starrer Soorarai Pottru (2020), directed by Sudha Kongara.

On the occasion of Ganesh Chaturthi (2 September 2019), the makers unveiled the soundtrack album at a launch event held in Prasad Studios, Chennai.

[15] The event saw the attendance of the cast members, Dhanush, Manju Warrier, Ammu Abirami, Ken Karunas, singer-turned-actor Teejay Arunachalam director Vetrimaaran, composer G. V. Prakash Kumar, and producer S. Thanu amongst other press and media.

[31] In the film review for The News Minute, critic Sowmya Rajendran wrote that "GV Prakash's rousing background score makes the sequences all the more impressive".