Who is the composer of the song that Friederike Grün was in who is a composer 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.