Question: "Peter und Ännchen" premiered on 29 September 1809 in the theatre of the Ludwigsburg Palace, Franz Carl Hiemer had written the libretti for who, which was a German composer, conductor, pianist, guitarist and critic, and was one of the first significant composers of the Romantic school?
Sentence (from "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.
Relevant evidence: Yes