DISSONANCE AND CONSONANCE 63 



which they first arose. In correlation the repose-tones 

 of the genus consonance report do as common root or 

 root of this genus. In correlation the cadence-tones 

 report sol to be their common root and the root of the 

 genus dissonance. Examples follow: — 



The genus-rooi do is the Major Tonic. The genus- 

 root sol is the Major Dominant. Tones are ninths or 

 sevenths or fifths or thirds or roots of harmonic threads, 

 and the number over each indicates a root or relation 

 to root. Sol first arose as fifth in the genus conso- 

 nance, thereafter asserted itself as root of the genus 

 dissonance. Sol is therefore the first nexus, common 

 tone or bond-tone of two harmonies, since it connects 

 the two genera, dissonance and consonance, as shown 

 below: — 



9^53 fl 6] 3 1 



la fa re ti sol sol mi do 



^^m 



ij 



Bond-tone 

 Dissonance Consonance 



The origin in rhythm of the inseparable relation of 

 cadence and repose, the consequent genesis of the 



