They rely on their ability to play high into the harmonic overtone series in order to play melodies.
In common with all bugle calls, it consists only of notes from a single overtone series.
Early in history, only intervals low in the overtone series were considered consonant.
As time progressed, intervals ever higher on the overtone series were considered as such.
Before valves became common in the 19th century, the horn could play only the notes of the overtone series from a single fundamental pitch.
The horn plays in a higher portion of its overtone series compared to most brass instruments.
Trumpet: Early trumpets had no valves, and were limited to the tones present in the overtone series.
"Western music is based on a series of notes, which we call the overtone series."
Students then proceed through a process of discovery beginning with the overtone series and improvisations inside the piano.
He tuned his instruments using the overtone series, and extended it past the twelfth partial.