They Know Lyrics: The Punjabi song is sung by KKG (Kurta Kurta Ganga – Sikander Kahlon, Sady Immortal, Rob C) and Manj Musik, and has music by Manj Musik while Sikander Kahlon, Sady Immortal, and Rob C have written the They Know Lyrics. The music video of the They Know song is directed by UrbanBlue Production.