the definitive confirmator and test of things uncertain

Most of these embellishments are played very quickly, in order that the note, before which they are placed, and to which they are added as grace notes, may lose but little of its value. It is often difficult to guess from which note (whether the preceding or succeeding) the time requisite for the execution of the grace note is to be taken.

As for the white part, it appears much less enriched with the tingent property.

A pretty way to conciliate 'little tempers' indeed, to add to the offence of spoiling the fish the crime of bringing an unexpected friend to eat it. Pot luck, quotha, when the pot's boiled over this half hour!