Wikipedia - Zakariyya Ahmad
Information about Zakariyya Ahmad, an Egyptian musician and composer. He composed many pieces in a traditional folk Egyptian style. His works included solo pieces and film scores, and he composed for Umm Kulthum beginning with a taqtuqa written in 1925.

Wikipedia - Zakaria Ahmed
Information about Zakaria Ahmed, (1896-1961), an Egyptian musician and composer.

Wikipedia - Tarek Madkour
Information about Tarek Adel Madkour, an Egyptian music composer and producer, work with many famous singers from the Arab World.