Have you heard of Umm Kulthum (Oum Kalthoum) before? She was a very famous Egyptian singer active between the 1920s to 1970s. She is remembered for her extraordinary voice and unique musical style. But what does she have to do with belly dance? You'll find out in this article. Spoiler: lots of the most well known belly dance tunes were originally sung by Umm Kulthum!