Maria Antonia of Bavaria (1724-1780)

"Maria Antonia, Princess of Bavaria, Electress of Saxony (18 July 1724 – 23 April 1780) was a German princess, composer, singer, harpsichordist and patron of the arts, known particularly for her operas: Il trionfo della fedeltà (“The triumph of fidelity”) and Talestri, regina delle amazoni (“Talestri, queen of the Amazons”). She became the Regent of Saxony due to her husband’s death in 1763." - (en.wikipedia.org 21.02.2022)