The most common sequence uses fourths, also called cycle-of-fourths or cycle-of-fifths. It follows the following pattern: ascending fourth, descending fifth.

An example using chords in root position:

The fourth interval is the basis of all the sequences we will discuss. In this case, the fourth interval transposes down by seconds:

C-F transposes as B-E, A-D, ...

Other fundamental aspects of harmonic sequences

Using seventh chords

Using inversions

The modulating sequence

Example

Using dominant seventh chords

Example

Using diminished seventh chords

Example

Combined triads, dominants and diminished seventh chords

Example

Tritone substitution

Example

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. José Rodríguez Alvira.
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