Marianne von Martinez (1744-1812) was a vocalist, keyboardist, and composer, once known across Europe both as a performer and for her sacred choral compositions. ​ Her early life was surrounded by culture. Due to her father's position in the Austrian court, Martinez grew up on the Michaelerplatz in Vienna, living in the same building as a princess in the Esterhazà family, Nicolo Porpora (a famous vocalist), Metastasio (the librettist - a close family friend), and a young F.J.