<span>The country whose folk music contains dissonant harmony is America, The Austrian composer with over 600 songs is Schubert, and the roman numeral representing the chord is IV</span>
The nation whose folk melody includes dissonant harmony is America, The Austrian musician with over 600 songs is Schubert, and the Roman number describing the music is IV.
Explanation:
In American music, dissonance is the variety of sounds that appear fissionable and has an aural want to settle to a constant consonance. Both consonance and dissonance are terms used to tune, chords, and pauses and, by delay, to music, tonality, and even beat and meter.