Agathe Backer Grondahl (1847-1907) Norway

Composer and pianist. She composed around 400 pieces and was a prominent figure in the Norwegian music scene, along with her friend Edvard Grieg.

Here is number 5 of his work 6 Idylles Op. 24, as well as the link to download the score.

https://imslp.org/wiki/6_Idylles%2C_Op.24_(Backer-Gr%C3%B8ndahl%2C_Agathe)

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Agathe was a student of Franz Liszt in 1873, and during that same decade, she built a distinguished career as a pianist with a series of concerts in Nordic countries, London, and Paris. Here's her Piano Suite, Op. 20, with a link to the score.

https://imslp.org/wiki/Suite%2C_Op.20_(Backer-Gr%C3%B8ndahl%2C_Agathe)

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Her early compositions followed the characteristic style of European piano works of the 1850s; however, in her later years, she transformed and anticipated some of the Impressionist ideas of the early 20th century. Finally, here are two Agathe Fantasies. The first video is No. 5 from her 12 Smaa fantasistykker, Op. 55. The second video is No. 9 from her 10 Fantasistykker, Op. 39. Both also include links to the complete works.

https://imslp.org/wiki/12_Smaa_fantasistykker%2C_Op.55_(Backer-Gr%C3%B8ndahl%2C_Agathe)

https://imslp.org/wiki/10_Fantasistykker%2C_Op.39_(Backer-Gr%C3%B8ndahl%2C_Agathe)