Rosy Wertheim

Her father was a banker and Rosalie attended a French boarding school in Neuilly, where she took piano lessons.

She studied piano with Ulfert Schults and harmony and counterpoint with Bernard Zweers and Sem Dresden.

From 1921 to 1929, she taught at the Amsterdam Music Lyceum, composed songs and choral works and conducted children's and women's choirs.

During the German Occupation, Wertheim gave secret concerts in a cellar where she played music by banned Jewish composers.

[1][2] Wertheim composed over ninety works, and her compositions were described as "cheerful, neo-classical and at times playful.