Were Carl Maria von Weber and Claudio Monteverdi of different ethnicities?
Carl Maria von Weber Carl Maria Friedrich Ernst von Weber (18 or 19 November 1786 5 June 1826) was a German composer, conductor, pianist, guitarist and critic, and was one of the first significant composers of the Romantic school.
Wilhelm Joseph von Wasielewski Wilhelm Joseph von Wasielewski (17 June 1822 – 13 December 1896) was a German violinist, conductor, and musicologist.