527 Euryanthe is a minor planet orbiting the Sun, it was discovered in 1904 by Max Wolf and named after the heroine of an opera by which German composer, conductor, pianist, guitarist and critic, and was one of the first significant composers of the Romantic school?
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.
Joseph Graetz Joseph Graetz (2 December 1760 - 17 July 1826) was a German composer, organist, and music educator. In 1790 two of his stage works premiered: the operetta "Das Gespenst mit der Trommel" and the opera "Adelheid von Veltheim". His notable students included Kaspar Ett, Peter Josef von Lindpaintner, and Eduard Rottmanner.