Josepha Duschek

Josepha Duschek (née Hambacher) (1754–1824) was an outstanding soprano of the Classical era. She was a friend of Wolfgang Amadeus Mozart, who wrote a few works for her to sing.

Her name is most often given in its German version as above. In Czech her name was Josefína Dušková or (with Germanized spelling) Josepha Duschkova.

Read more about this composer on Wikipedia.