Based on Setara Hussainzada?
Just FIY. Apparently very loosely based on Setara Hussainzada. There is a documentary "Silencing the Song: An Afghan Fallen Star"
I kind of have to say she sings far worse in reality:
https://www.youtube.com/watch?v=QJ5enk8eS_Y
https://www.youtube.com/watch?v=rfuhayI02Bw
Also didn't sing English songs but I guess that wouldn't work in a movie lol.