Moroccan 78s from the Excavated Shellac blog:

http://excavatedshellac.com/category/morocco/

From a bit later, there are some field recordings made by Paul Bowles in Morocco:

http://avuncularamerican.typepad.com/paulbowlesmoroccanmusic/

http://www.loc.gov/folklife/guides/paulbowles.html

Excavated Shellac is good for all sorts of stuff like this. I don't see any Bedouin material though.