Together, they became historical as the first of their gender to have been officially employed in the then two-hundred-year-old history of the royal orchestra.
Both Schröder and Fisher had in fact been active as vocalists at the orchestra before they were officially hired.
She was a student of Anders von Düben, Casper Gottlob Grünwaldt, Frans Hindrich Meyer, Johan Helmich Roman, Conrad Arnoldi, and Jacob Dedering.
Anders von Düben gave her a high recommendation as a student in the musical science.
In 1751, two female vocalists from the royal orchestra, Hedvig Witte and Cecilia Elisabeth Würzer, performed at the burial of King Frederick I of Sweden.