Press the letter of the note you want to play on the keyboard and the fingering will appear on the horn. Up and down arrows control the volume. a b c d are the only keys you can play besides the arrow keys. A= (Low) E B=F Sharp/G flatd C=C D=A
Shout out to @TheStig12 For making the original French Horn. #FrenchHorn The Instrument I play.
