Kaisy Jiye is the original version of Hum Jee Lenge from Murder 3.

Kaisay Jiyein - Mustafa Zahid Original Version of Hum Jee Lenge Murder 3

Wo Lamhe Wo Ratein | Atif Aslam | Live Performance | 2004

Official lyrics: genius.com/bayaan-nahin-milta-lyrics
Official video: https://youtu.be/umsrQSA2iOM

A song sung by Falak that has now become my all time fav.

Hope you enjoy it as much as me.