Josepha Barbara Auernhammer (1758-1820) Austria

Her compositions for piano predominate, especially variations, which are characterized by a broad understanding of piano technique and ingenious use of the instrument. Here are her six variations "Der Vogelfänger bin ich ja" (The Bird Watcher, I'm Already), along with a link to download the sheet music.

https://imslp.org/wiki/6_Variations_on_'Der_Vogelf%C3%A4nger_bin_ich_ja'_(Aurnhammer%2C_Josephine)

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Among her teachers was Mozart, who wrote, "Almost every day after dinner I am with Auernhammer—The young lady is a monster!—she plays delightfully, yet she lacks the genuine fine, lilting quality of the cantabile; she runs too fast." That year, Mozart dedicated his Violin Sonatas K. 296 and K. 376–80 to her.

Here are six other variations on a Hungarian theme. I didn't find the score.

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I share here another of her works, her Sonata in E major, link to listen to it and to download the score.

https://imslp.org/wiki/Harpsichord_Sonata_in_E_major_(Aurnhammer%2C_Josephine)