Ahead of the audio launch on May 9, 2018, the makers (Wunderbar Studios & Lyca Productions) of Rajinikanth starrer Kaala have released a preview video with composer Santhosh Narayanan and director Pa. Ranjith explaining what went behind the composing of the film's album. The almost 18 minute video gives us a glimpse of each song on the album and a detailed insight into the work that went behind it.