MusicNovatory/Harmony/Transformations/Coda 1
orbits2

The Voice-Leading Matrix
combines all the possibilities
of the three forms of Voice-leading
with the substitutions of Incompleteness.

Uninvertibility pinpoints
the role of the Fundamental Bass,
combined with those of the 4 orbits,
when certain chord progressions
do not invert well.
Voice-leading Matrix
Uninvertibility