Horn (instrument) the "trombon da caccia" called for by Vivaldi in his opera "Orlando finto pazzo" (1714), and his Concerto in F for violin, two "trombon da caccia", two oboes, and bassoon, RV574, was also a hooped horn. In the eighteenth century some outstanding concertos were written for solo horn and orchestra by Telemann, Christoph Förster, Michael and Joseph Haydn, Leopold and Wolfgang Amadeus Mozart, and Carl Stamitz. Concerti grossi include concertos for two horns by Vivaldi and Bach’s First Brandenburg Concerto. At the end of the century Beethoven composed a Sonata for Horn and Piano in F major, Op. 17, for
Hansa-Brandenburg Hansa-Brandenburg Hansa und Brandenburgische Flugzeugwerke (more usually just Hansa-Brandenburg) was a German aircraft manufacturing company that operated during World War I. It was created in May 1914 by the purchase of "Brandenburgische Flugzeugwerke" by Camillo Castiglioni, who relocated the factory from Liebau to Brandenburg an der Havel. Brandenburg's chief designer, Ernst Heinkel was retained by the new enterprise. By Autumn 1915, it had become the largest aircraft manufacturer in Germany, with a capital of 1,500,000 Marks, 1,000 employees, and two more factories - one in Rummelsburg, Berlin, and one in Wandsbek, Hamburg. Although manufacturing was carried out in Germany, Castiglioni