• Developing the 2-5-1 Progression in an Augmented Matrix

    augmented matrix

    In this post, we’ll be looking at the augmented matrix and how to use it to connect 2-5-1 chord progressions together. These are also known as the Coltrane changes.

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    The Coltrane Changes

    coltrane changes thumbnail

    In jazz harmony, “Coltrane Changes” refers to substitute chord progressions made popular by jazz musician, John Coltrane. In this post, we’ll explore how it works.

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