Lesson 30 February 4th, 2022 Lesson 30 Lecture notes: There are multiple types of variations , inclusive of the continuous variation , sectional variation , figural variation , chromatic variation , textural variation , and timbral variation . The continuous variation is the continuous flow of a musical idea and a Fortspinnung phrase structure. This variation type was widely used in the Baroque era of music. Fortspinnung is the development process of a specific musical motif . First, the motif in question is developed into a complete musical using sequences , intervallic changes , and simple repetitions . There are two different types of continuous variations . Ground bass or passacaglia and chaconne . The ground bass / passacaglia is when there is a repeating bass line , and only the upper voices change or vary . In the chaconne , the harmonic progression is repeated and varied while the bass remains the same for several successive variations , but it e
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