[Illustration: Example 45. Fragment of Mendelssohn.]
In this example also, the Consequent phrase is a complete affirmation of its Antecedent, agreeing in its melodic form with the latter until the cadence is nearly due, when an extra measure is inserted (as extension), and the usual digression into the necessary perfect cadence is made. The condition of Unity predominates, but a noticeable infusion of Variety takes place.
Further (Mozart, pianoforte sonata):—