If you're heading to the Idan Raichel concert tomorrow night at the Southern Theatre, and if you read The Beat's Q&A with Raichel, you may have been wondering who the heck Oum Kalthoum, an artist cited by Raichel alongside Miles Davis as someone he listened to growing up.

Well, we were curious, so we did a little research. Start here, then watch this and read this.

Fascinating stuff.