Negative chords are a somewhat new concept to music theory which are explained in the Chord, Scale, and Modes Lessons portion of the books' companion website: www.archofmusic.com. Negative chords are the harmonic opposite of the 10 root position chords. Commonly known as 2nd inversions in traditional music theory, a negative chord naming nomenclature has been used in this book to name the negative chords in lieu of using 2nd inversion chord names to make clear the negative chord relationship between two chords including negative (add) variations.
Greg Aranda ia an architect, artist, musician, and author who resides in Austin, TX. He spent over ten years researching and writing The Architecture of Music Volumes 1-4. More information about the author can be found on his website: http://www.studioaranda.com