Complex sentence: Here, Britten asks for the horn player to play the instrument without using its valves--some of the resulting notes of the harmonic series are out of tune with the normal chromatic scale, giving these movements a distinctive character.
Split into simpler sentences: Here, Britten asks for the horn player to play the instrument without using its valves. Some of the resulting notes of the harmonic series are out of tune with the normal chromatic scale, giving these movements a distinctive character.