This is a duet sung by Manhar Udas and Salma Agha. The singer Salma Agha is also the female protagonist of this movie. I've seen one other such actress, which is Meena Kumari. However, Lata Mangeshkar sang most of her songs.
Yes, bro, they had the analog recording systems that can capture almost all the notes of the sound, and current digital and analog converters are still well behind the superiority of the old analog techs.
Yes, bro, they had the analog recording systems that can capture almost all the notes of the sound, and current digital and analog converters are still well behind the superiority of the old analog techs.