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The length of Umm Kulthum's concerts was legendary, with some lasting over 10 hours. These extended performances were characterized by her unmatched vocal prowess, mesmerizing stage presence, and the captivating storytelling quality of her songs. Her concerts were iconic events that drew massive audiences and left an indelible mark on the history of Arabic music, solidifying Umm Kulthum's status as one of the most revered singers of all time.