The concept of 'tonality' signifies the unified relationship of chords to a central tonic and hence comprises two different assumptions: first, the existence of unifying factors, and second, the existence of, or at least the hypothetical ability to reconstruct, a tonal center.
The concept of 'tonality' signifies the unified relationship of chords to a central tonic and hence comprises two different assumptions: first, the existence of unifying factors, and second, the existence of, or at least the hypothetical ability to reconstruct, a tonal center.