Om Kalsoum (or Umm Kulthum, Om Koultoum, Om Kalthoum, Oumme Kalsoum, or Umm Kolthoum) was Egyptian and recognised as one of the most important Arabic singers of the 20th Century. Rumour has it that more than a million people filled the streets of Cairo on the day of her funeral, a measure of the extent to which her songs touched the hearts of the Egyptian people.
On this album she sings one long, plaintive song that aches and gnashes its teeth and claws at its tear-stained cheeks.
Here's a snippet of the the lady herself performing this very song: