This application shows you the position of the fingers on the
instrument. You can hear the sound of each musical note. There is
demonstration by a live French Horn player. There is a section with
French Horn lessons. You can choose different types of French Horn:
Single French Horn F(Fa) Single French Horn B♭(Si♭) Double French
Horn
2D French Horn Fingering Chart / What's New in vUnknown
Step-by-step learning course #1 for beginners