The invention of the valved horn allowed players to:

The valved horn revolutionized brass instruments by allowing musicians to play chromatically across their entire range. Prior to the invention of valves, brass instruments were limited to the notes available through their natural harmonic series, which restricted the ability to perform scales and melodies that included all twelve-pitch classes. The incorporation of valves enabled players to modify the length of the tubing, providing access to all the notes in a chromatic scale. This innovation vastly expanded the performance possibilities for brass players, allowing for greater expression and more complex musical compositions.

This advancement not only enhanced technical proficiency but also contributed to the development of solo and ensemble repertoire specifically tailored for valved brass instruments, solidifying their place in various musical genres.