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 "Peter und Ännchen"): The opera was popular in Germany in its day and a version of the score for voice and piano was published by Breitkopf & Härtel.
Relevant evidence: No