Sequence

How Composers Use It

Sequence is the primary engine of development and modulation. A pattern is stated, then repeated at a different pitch level — usually descending by step (the descending fifth sequence) or ascending by step. Three repetitions is the rule of thumb: enough to establish the pattern, not enough to become monotonous.

Example

Vivaldi's "The Four Seasons" — sequential patterns drive much of the developmental material, creating motion through repetition at different pitch levels.

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