Ideal for solo cadences used in Afro-American spirituals, blues, jazz, latin, country
and contemporary improvisation.
While the Greeks thought of the Dorian mode as masculine, they thought the Phrygian mode was feminine; a bit effeminate. Early church music refers to the Phrygian as an angelic mode. History aside, this book is about how best to make use of the information using the Phrygian to develop ideas for the improvised line.
It lists the alterations ending with the 3rd (Phyrgian) note of a scale; creating Phyrgian Cadences.