By Tarek Abdallah In the period 1800-1895, written and iconographic sources relating to Egyptian musical instruments describe one predominant model of oud, namely the seven-course instrument known appropriately as al-‘ūd as-Sab‘āwī. However, as discussed elsewhere on Oudmigrations, of the two 19th-century ouds that travelled from Alexandria to Brussels, one has only six courses, and a…