By understanding how notes together create consonance and dissonance, it's possible to compose some music without even playing, but to do this effectively most composers trained their ears to hear pitches, or at least to hear intervals( examples hearing a C note or a major third in a song).
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By understanding how notes together create consonance and dissonance, it's possible to compose some music without even playing, but to do this effectively most composers trained their ears to hear pitches, or at least to hear intervals( examples hearing a C note or a major third in a song).