KARACHI: As Eid-ul-Azha fast approaches along with the impending release of the movie Heer Maan Ja, IRK Films and Arif Lakhani Films have just released the movie’s title track, Heer Maan Ja, for the audiences. Sung by the energetic vocals of Herbie Sahara from Sahara U.K. to match the techno-club musical vibe behind it, the title track of ‘Heer Maan …