She was 91 years old and died of natural causes.

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Along with being a talented singer in her own right, she was a tireless advocate for jazz in Chicago. A tribute concert for Duke Ellington she helped put on in Grant Park in 1974 became the foundation for all of the lakefront music…

Chicago Tribune

The ‘first lady of Chicago jazz,’ Geraldine de Haas dies at 91

Along with being a talented singer in her own right, she was a tireless advocate for jazz in Chicago.

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