The presented Parthia in F was composed 1783 in Wallerstein. The choice of three horns and the thematic work of the music near hunting-music was used to illustrate the court hunting also with the court music. The part of the third horn is the most remarkable one because it opens the music with an hunting signal as well as it consists of notes in the deep register which do not belong to the natural notes. These specialities of the third horn part can be a proof for the assumption, that Franz Zwie...