AM III, 113 AMS "Kreuzritter-Fanfare"

AM III, 113 auch AM II, 235 Kreuzritter-Fanfare von Richard Henrion, komponiert 1893 in Prenzlau (Mark).
The piece of music is closed for Germany. Why? On account of which legal basis? All supposed copyrights are denied definitely!!!!!
[only for education as a stimulus for new works (fair use)]