Cine s-a întâlnit cu Johann Riedinger?

Maria Theresia Paradis (May 15, 1759 – February 1, 1824) was an Austrian musician and composer who lost her sight at an early age, and for whom her close friend Mozart may have written his Piano Concerto No. 18 in B-flat major. She was also in contact with Salieri, Haydn, and Gluck.