The team of Kalank brings a foot-tapper song from the album, today (March 22). Titled First Class, the song registers Zafar's (Varun Dhawan) entry in the period film, directed by Abhishek Varman. Pritam, who has composed the song said to BT, "The idea was to come up with a track that feels like a retro number from the 50s. We had to create a fun, mohalla song which has masti and mazak with a beautiful underlying layer of emotion. Striking that balance in terms of lyrics and the tune was challenging. It felt amazing when we finally cracked it."

Set in Hira Mandi, First Class presents nuances of Varun’s character with a subtle play of lyrics in a light-hearted manner. Elaborating on this, Pritam said, "The character is being introduced to the audience; he talks about a lot of things he feels, sees and experiences around him, but believes 'sab first class hai.' That’s how we got the title of the song. While I can't reveal the relevance of this number in the plot, I can just say that it takes the narrative ahead."