4:5:6:9: Difference between revisions
Created page with "{{Infobox Chord|ColorName=yo add-9 or y,9}} '''4:5:6:9''' is a just chord found on the I ({{Frac|1|1}}), III ({{Frac|5|4}}), V ({{Frac|3|2}}), and IX ({{Frac|9|4}}) of Ptolemy..." |
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