The Konzertstück in F minor for Piano and Orchestra, Op. 79, J. 282, was written by Carl Maria von Weber, and he started work on it in 1815, and completed it on the morning of the premiere of which opera, with spoken dialogue in three acts?
Der Freischütz Der Freischütz , Op. 77, J. 277, (usually translated as "The Marksman" or "The Freeshooter") is a German opera with spoken dialogue in three acts by Carl Maria von Weber with a libretto by Friedrich Kind. It premiered on 18 June 1821 at the Schauspielhaus Berlin. It is considered the first important German Romantic opera, especially in its national identity and stark emotionality.
Peter Schmoll und seine Nachbarn Peter Schmoll und seine Nachbarn ("Peter Schmoll and his Neighbours") is the third opera by Carl Maria von Weber and the first for which the music has survived, though the libretto has not. It was written in 1802 when the composer was only 15 and premiered in Augsburg the following year. The opera takes the form of a Singspiel, mixing spoken dialogue and musical numbers. The libretto is based on a novel by C.G. Cramer.