The song is composed by Amaal Mallik who made his debut in Bollywood as a music director with the 2014 released film Jai Ho. Commercially, the song fared well, topping the iTunes chart of Indian and Cambodian, along with 91.9 Friends FM weekly chart.
The single of the song was digitally released on 22 December 2014. The music video of the song was officially released on 19 December 2014 and was exclusively released on. The video track shows Fernandez romancing both Kapoor and Rampal. The song is all about living the present moment with someone special. For the male vocals of the song, Mallik wanted a voice that does not sing many peppy numbers. Producer of the film, Bhushan Kumar heard the rough version of the song composed and written by Mallik and wanted to hear the final version of the song, for which Kumaar wrote the lyrics. The music video of the peppy, dance track features actors Jacqueline Fernandez, Ranbir Kapoor and Arjun Rampal. Composed by Amaal Mallik, the song is sung by Arijit Singh and Aditi Singh Sharma, with lyrics penned by Kumaar. The sun has set) is a Hindi song from the 2015 Bollywood film, Roy.
