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