and I shall waste, And end that I have now begun; For when this song is sung and past, My lute, be still, for I have done so they in their turn heralded the full strophic sonority of the Epithalamium.

Thus, then, given two instruments of the same nature, if the harmony which they effect be true, they enter by reason of their conjunction into a negative state which neutralizes their sonority; while the contrary occurs in the case of false unison.