an Austrian pianist and composer who was the daughter of the physician Leopold Auenbrugger. She was a highly regarded pianist and composer in Vienna. Together with her sister Caterina Franziska, she was a student of Joseph Haydn and Antonio Salieri. In 1780 Haydn dedicated a cycle of six sonatas to the two sisters. When Marianne died in 1782, Salieri, at his own expense, published her Keyboard Sonata in E-flat together with his own funeral Ode 'De si piacevoli'.
