The composer, who experimented with the soundtrack for the Ranbir Kapoor-Anushka Sharma starrer, says the album did not get its due credit because of the film's failure.
"The soundtrack suffered because of the the movie's failure. We didn't expect that the movie will bomb so badly. If it would've done average business or gone above average, then also it would've helped the music a lot.
"That put the music on the backfoot because the music was part of the whole screenplay and the milieu of the film," the composer told PTI.
"Jazz is something which Indian audience are not well versed with. So that was an experiment which some liked and some did not.
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"People, who understand jazz have taken the music really well. But the ones who did not understand, the music went above their heads. If the film had worked it would've changed the course of jazz scene in the country."
The composer, who has given hits like "Iktara", "Manjha", and "Ishaqzaade", says he is shocked how sometimes his least favourite songs turn out to be chartbusters, including his breakthrough hit "Emotional Atyachar".
"I never liked the song, since day one when I created, I was like 'what is this, why am I doing this, it'll run only for 6-7 days'. But I was proved wrong. It happened with 'Gal Meethi Meethi Bol' too. I sometimes get shocked how these songs worked, because the ones I really wanted to work, they never clicked.