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El Mago, meaning "The Wizard," is a nickname given to Carlos Gardel, the legendary Argentine tango singer. This nickname reflects Gardel's extraordinary vocal abilities and his captivating stage presence. He possessed a unique and expressive voice that could convey a wide range of emotions, from melancholic longing to passionate intensity. Gardel's performances were mesmerizing, earning him the reputation as a true master of the tango genre.