Umm Kulthum
Voice

Umm Kulthum was a contralto. Contralto singers are uncommon and sing in the lowest register of the female voice. According to some, she had the ability to sing as low as the second octave and as high as the eighth octave at her vocal peak.

Her incredible vocal strength, with the ability to produce 14,000 vibrations per second with her vocal cords, required her to stand three feet away from the microphone. She was known to be able to improvise and it was said that she would not sing a line the same way twice. She was a student of Abu al-Ila Muhammad, starting from her arrival in Cairo up until his death in 1927. He taught her to adapt her voice to the meaning and melody of a traditional Arabic aesthetic.
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