Arab music sites, general
Dandin, gateway to modern music in the Middle East,for musicians, users, venues, festivals, booking agencies, event organizers, record labels and others associated with the music industry.
maqamworld Excellent for music theory.
Scholarly (secondary sources)
Scholarly (primary sources)
Description de l'Egypte (Napoleonic expedition to Egypt; contains sections on music)
Al-Waraq (Arabic sources)