Online-Remedial-Music-Theory-Program/Lesson_NNN_-_Augmented_Sixth_Sonorities/Drafts Change "chords" to "sonorities" Online-Remedial-Music-Theory-Program/Lesson_NNN_-_Augmented_Sixth_Sonorities Lesson nnn: Augmented Sixth Sonorities Introduction Online-Remedial-Music-Theory-Program/Lesson_NNN_-_Augmented_Sixth_Sonorities/Drafts Lesson nnn: Augmented Sixth Sonorities Introduction directory Online-Remedial-Music-Theory-Program Lesson NNN - Augmented Sixth Sonorities |