POSITION - INCLUDING THE 7th. 's AND MINORS - IN ALL 12 KEYS - COLOR CODED USING EVERY BODIES FAVORITE COLORS WITH THE NASHVILLE # SYSTEM / MAJOR DEGREES OF SCALE - ALL WITH NO PAGES TO TURN <<<. This dial is like a Guitar Chord Book with the Progressions and the Nashville Number System Designations already filled in, with no pages to turn, no music reading necessary and no bookmarks needed.
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