began pre-production work on another film starring G. V. Prakash Kumar, which he would make following the completion of the first part of Vada Chennai. However, it was revealed that Vetrimaaran was not ready to work simultaneously on the three parts of the film and reported that they may take a break in-between the production of the trilogy, where Dhanush and Vetrimaaran planned for three-to-four films in the process. The second filming schedule began in April 2017 in Royapuram, Chennai, and progressed for 30 days. However, the shooting further affected as Dhanush had worked on The Extraordinary Journey of the Fakir. It was revealed that the team had completed 90% of the shooting within late-June 2017, and only 10–15 days of shooting left. But during the film's production, Dhanush also prioritised to work on the long delayed Gautham Menon's project Enai Noki Paayum Thota and Maari 2, which escalated the film's delay. Later, Dhanush decided to work on both the projects simultaneously, in order to complete the shoots of both the films within time. The filming was completed within February 2018. Music The film was initially announced with G. V. Prakash Kumar as the music director. However, following Kumar's fallout with the lead actor Dhanush, the team chose Santhosh Narayanan as the film composer, which marked his maiden collaboration with Vetrimaaran. Dhanush suggested Santhosh's name when he composed for one of his production, the Rajinikanth-starrer Kaala (2018), and with his inclusion, he simultaneously worked for both the films; the work on the entire album was completed within June 2018. The album is mostly based North Madras music consisting of a diverse genres – gaana, folk and melody. Vada Chennai also marked Santhosh's 25th filmas a composer in his career. The album was released on 23 September 2018, in entirety through the internet and in streaming platforms such as Saavn, JioMusic and Gaana. The soundtrack received rave reviews from critics and audience, and topped the iTunes charts within three days of its release. It was also streamed above 5,00,000 times on Saavn. An additional song titled "Patta Patti" was released during mid-November 2018, after repeated requests from fans. Marketing and release Vetrimaaran worked on the post-production of Vada Chennai, assembling the final cut of the film during mid-May 2018. In June 2018, the makers confirmed that Vada Chennai will be released theatrically on the occasion of Ganesh Chathurthi (13 September 2018).