Ted Greene I to IV add9 chords

Ted Greene study of I to IV add9 chords separated by a major 3rd.
I demonstrate the TG study, explain some of the trickier bits and then give an example of how you can use part of it to embellish something you probably already know. *Skip to 12:13 for the alternate application.
Link to a pdf at the Ted Greene web site ... www.tedgreene.c...
It's the bottom example, #3 in Eb.