Instead of changing the whole chord, keep the harmony static while moving a single inner voice chromatically (e.g., C — Cmaj7 — C7 — C6).
Apply this to a Tritone Sub. Instead of just Db7, use Abm7 — Db7 — C . 7. Pedal Points Reharmonization Techniques
The simplest form of reharmonization involves replacing a chord with another that shares a similar function and scale. Instead of changing the whole chord, keep the
Reharmonization is as much about the bass line as it is the chords. Aim for smooth voice leading or intentional chromatic steps. Instead of changing the whole chord