Gully Boy song Apna Time Aayega: Bollywood actor Ranveer Singh is on a hit run at the cinema screens. As his latest release Simmba continues to rake in big numbers at the box office, he is all set with his next release Gully Boy. To raise excitement for the same, the makers of the film have released the first song of the film titled Apna Time Aayega. Sung by the actor himself, the actor can be seen acing the rap act in the music video.