Watch the Principles of Chord Subs online guitar lesson by TrueFire from Jazz Guitar Greatest Hits Vol. 2
Lesson Source: Fareed Haque's Bebop Improv Survival Guide
Before we hurdle headlong into new territory let's review "Fareed's Principles of Chord Substitution". We go into this in-depth in The Jazz Comping Survival Guide, so you may also want to revisit that course to get a refresher.