[7] All the songs in the film were written by Vishnu Edavan, Lokesh's assistant director, who also previously contributed for Master and Vikram.

[14] On 20 October 2023, Anirudh said that apart from the aforementioned tracks, two other songs "Ordinary Person" and "Ratata" would be released as part of the extended soundtrack.

[17][18] "Naa Ready" was the first single from the film, sung by Vijay, along with Anirudh and Asal Kolaar, the latter performing rap portions; it was the fourth time Vijay had sung for Anirudh's composition after previously doing so for "Selfie Pulla" from Kaththi, "Kutti Story" from Master and "Jolly O Gymkhana" from Beast.

[21][22] This resulted the Central Board of Film Certification (CBFC) instructed the team to modify the visuals and lyrics, with immediate effect on 9 September 2023.

[25] Lalit, through the X (formerly Twitter) Space, announced that a family song was composed for the film, set to be released as the third single from the album[26] titled "Anbenum", the song was sung by Anirudh with Lothika Jha performing the female vocals instead of Shakthisree, who would make her playback debut in Tamil,[27] and was earlier scheduled for release on 9 October 2023.

[32][33] In earlier August, it was reported that the film's audio launch will be instead held either in Malaysia or Dubai,[34][35] and they tentatively planned for the event at Axiata Arena indoor stadium in Kuala Lumpur during late-September or early-October.

[41] They cited the catastrophic incident that happened at A. R. Rahman's concert three weeks prior in Chennai as another reason for the cancellation.

[51] The Indian Express writing for the track "Naa Ready" called it a "typical Tamil ‘Kuthu’ number, which is sure to find lot of takers.

"[54] Reviewing for The Quint, Pratikshya Mishra found "Naa Ready" to be "brilliant" and "toe-tapping track" while for the rest of the album comes "comes across more juvenile than effective and this even more jarring".

[55] Bhuvanesh Chandar of The Hindu summarised "The end credits soundtrack, the ‘I’m Scared’ surprise zinger, and the many callbacks to Vikram prove that composer Anirudh Ravichander remains the heartbeat of Lokesh’s Cinematic Universe.

"[56] Divya Nair of Rediff.com wrote Anirudh's "electrifying background music spices up the introduction and action sequences.

[59] Anandu Suresh of The Indian Express wrote "Anirudh Ravichander’s soundtrack and background score also contribute significantly to the movie’s momentum.

Departing from his typical star-worship compositions, Anirudh infuses Leo with exceptional tracks, adding a distinctive touch to the film.

"[60] Priyanka Sundar of Firstpost wrote "Anirudh has yet again proved that his music can elevate a scene, add tension where required, hype wherever necessary and overall just keep the audiences hooked with sound.