In these lesson PG teachs some chord shapes where you can find the root note of that chord and the same note one octave highter, so you can modifie that note to alter the chord and he stars moving these note to lower notes to make a Maj7 chord, b7Chord etc… But he never rise that octave a half step to put it between the octave and the sus2. Do you know why he never do that or if that hypothetical chord does have name?