Early life
Mildred Cooper was born in Buenos Aires, the daughter of Reginald Cooper and Harriet Hathaway Jacobs (1849-1931). Her father was born in England; her mother was born in Argentina to Wilson Jacobs III and Harriet Hathaway Moores, both American-born. She began her serious musical studies at the Williams Conservatory in Argentina, and pursued further training in Italy, Germany and France, where she studied piano with Moritz Moszkowski and composition with Nadia Boulanger.Career
Couper taught piano for nine years at the David Mannes Music School in New York. She moved with her children to California in 1927 and established a studio in Santa Barbara, where she started her experiments with two pianos by tuning the first a quarter tone higher than the second. This increased the normal 88 pitch levels to 176, expanding so the gamut by a quarter step to emphasize the character of the harmony. Her first work in this medium was the ballet ''Xanadu'' (1930), which was performed in the production of Eugene O'Neill's ''Personal life
Mildred Cooper married American expatriate artist Richard Hamilton Couper in 1910, and they had two children, Clive (1913-2004) and Rosalind (1915-2016), both born in Rome. At the outbreak of World War I the Coupers moved to New York City. She was widowed soon after, when her husband died during theTrivia
Mildred Cooper's first cousin Harry Norman Jacobs (1877-1951) was the grandfather of Argentine-born composer Carlos Micháns(-Jacobs) (1950-), who resides in the Netherlands since 1982.References
* {{DEFAULTSORT:Couper, Mildred American women classical composers American classical composers American classical pianists American women classical pianists Microtonal musicians 1974 deaths 1887 births Musicians from Santa Barbara, California People from Buenos Aires Argentine emigrants to the United States Mannes College The New School for Music faculty 20th-century American women pianists Classical musicians from California 20th-century classical pianists Women music educators 20th-century American pianists American women academics