Watch the I ii iii IV V vi online guitar lesson by Brad Carlton from Guitar Lab: Diatonic Chord Progressions
This lesson establishes the inventory of chords that will be used
throughout this course. They are as follows:
This lesson will also demonstrate the 2 to b3 move which can be applied to the ii and vi chords as well as the 2 to 3 move which is an option on the I, IV, and V chords.