sition? Playing Your Own Changes Over the Band’sWhat Is Superimpo
Superimposition means playing your own chord changes on top of the band's — and it's earned through voice leading, not license. How half-step upper-structure moves create the altered sound and outside colors that still resolve.
Jazz Guitar Upper Structures: Why the Altered Sound Is Just a Half-Step Triad
The altered scale terrifies a lot of advanced jazz guitarists because it looks like a different theory subject. It is not. It is a single upper-structure decision: play the minor triad a half-step above your dominant chord, and you have already produced the entire altered sound. Here is how to wire that into your II–V–I.