http://www.dozenal.org en DSA_seal_favicon.png http://www.dozenal.org 20200522 en A printable, craftable chord-dialer, which uses the properties of the dozen to identify major and minor chords by both dozenal number and by traditional music notes (A, B, etc.). 1 http://www.dozenal.org/resource-hammond-chord-dialer.html 20200522 en Issues 08:01 and 08:02 of the Newscast are now online. 2 http://www.dozenal.org/dsa_newscast.html 20200522 en We're proud to publish this piece by Donald Hammond, which explains triangles, Pythagorean triples, and the relationship of these to musical notes, such that they can create a chord-dialer to select appropriate notes for major and minor chords. 3 http://www.dozenal.org/article-hammond-trigons-to-triads.html