Composer Pritam has revealed how the song "Phurrr" happened with American DJ-record producer Diplo for the Imtiaz Ali directorial "Jab Harry Met Sejal".

"We met somewhere last year and he (Diplo) gave us a bunch of tracks, saying that we could choose any of them. They were just instrumental tracks without any composition or melody," Pritam said in a statement.

"Imtiaz shortlisted one track, he felt that the production and vibe of the track will go very well in a particular situation. So, I had to compose the song on the instrumental Diplo had made," he added.

Once Pritam had the composition in place, lyricist Irshaad Kamil came up with the phrase "Phurrr".

Later, singer Mohit Chauhan and additional vocalist Tushar Joshi came on board and sang the song, which has been put behind a paywall for 24 hours across Thursday and Friday.

The track, which celebrates womanhood, was unveiled amidst party hoppers here on Thursday by the film's lead actors Shah Rukh Khan and Anushka Sharma along with Imtiaz.