Noor Jehan was a Pakistani actress and playback singer. In a career spanning over 60 years, she is estimated to have sung around 20,000 songs. One of the most important Pakistani singers of all time, Noor Jehan is also widely regarded as one of the most influential and greatest South Asian singers of all time.
Mehdi Hassan was a Pakistani ghazal singer and playback singer for Lollywood. He is considered to be one of the greatest figures in the history of ghazal singing and is referred to as the "Shahenshah-e-Ghazal" (Emperor of Ghazal). An influential figure in the Pakistani film industry, he sang and composed music for an estimated 300 films.