Mehdi Hassan, affectionately called Khan Sahib and titled as "Shahenshah-e-Ghazal" is a legendary Pakistani Ghazal singer and a former playback singer for Lollywood. He stands with versatile singing icons like Ahmed Rushdi.
For those who are still wondering "How to download a song?" just click on song title or the green download icon and a save file dialogue box will appear.
Mostly the song will download and not play in media player but if in your case the world is upside down, just right click on title or the green button and click "save target as / save link as"