The film which stars newcomers Ehan Bhat and Edilsy Vargas, also marked Rahman's maiden stint as a scriptwriter and producer respectively.

[9] Lyrics for the original Hindi version of the soundtrack have been given by Navneet Virk, Dilshaad Shabbir Shaikh, Abhay Jodhpurkar, Munna Shaukat, Mashook Rahman and Raftaar.

Madhan Karky, Thamarai, Kabilan, Kalpradaa, Rakendu mouli and Ananta Sriram were brought in to write lyrics for the respective Tamil and Telugu versions of the soundtrack.

[10] Shashwat Singh, who had played a role of a playback singer for the film's lead character Ehan Bhat, is an alumnus of Rahman's KM Music Conservatory, Chennai.

According to Rahman, he stated that each musical chord will strike an emotional connection with the listener, which was considered as an advantage with the album being mastered in Dolby Atmos.

[14] During the time of pre-production, Rahman and Vishwesh Krishnamoorthy went towards an extensive research to find the suitable sound for the film's theme, when its first screenplay draft being ready for review.

[16] This was the second collaboration between Rahman, Malik and Tirupati after recording for "Mechanical Sundariye", which is the Hindi version of the original song "Endhira Logathu Sundhariye" from 2.0.

[17][18] When the film's post-production began, Arijit Singh started crooning for the song "Jwalamukhi" which also have a respective female version, recorded by Poorvi Koutish.

[citation needed] Koutish a student of Rahman's KM Music Conservatory, was one of the participant of the sixth edition of Indian Idol, where she bagged the titular award.

[20] Rahman also picked Sarthak Kalyani and Swagat Rathod, who contested in their YouTube show ARRived, to record the song Veere Kadh De.

The music video was released simultaneously through YouTube and aired live in MTV India on 7 March 2020 ahead of Women's Day.

[32] In March 2021, Rahman noticed a fan's request to release the Tamil and Telugu version of the film's soundtrack, stating a reply that the albums will be out within next week.

Pooja Darade of Koimoi rated the soundtrack album 4.5 out of 5, stating "99 Songs takes us on a never-ending trip of music with a mix of different kinds of track, which is essential in the times of remixes and lack of originality.

[45] Vipin Nair of Music Aloud gave the album 4.5 out of 5 and summarized "A.R.Rahman produces a thoroughly diverse soundtrack that is the best he has given Bollywood in a long time.