Arab music sites, general
Dandin. Dandin is your gateway to modern music in the Middle East. Through the integrated portal access is provided for all relevant stakeholders; musicians, users, venues, festivals, booking agencies, event organizers, record labels and all those 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)