The makers of OK Jaanu have released the film’s first song, which a reprised version of A.R.Rahman‘s Humma Humma from the 1985 film Bombay. Featuring Aditya Roy Kapur and Shraddha Kapoor, the two are seen bonding as they dance to the beats of Humma Humma. The Humma Song has been recreated by Tanishk Baagchi with additional rap by Baadshah. The original lyrics of the song have been retained with vocals lead by singers Jubin Nautiyal and Shashaa Tirupati.