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| {{Infobox AFDO|steps=3}} | | {{Infobox harmonics|3}} |
| '''3afdo''' ([[AFDO|arithmetic frequency division of the octave]]), or '''3odo''' ([[otonal division]] of the octave), if the attempt is made to use it as an actual [[tuning system]], would divide the [[octave]] into three arithmetically equal parts. It is a superset of [[2afdo]] and a subset of [[4afdo]]. It is the first nontrivial afdo since it is the first afdo to demonstrate [[chirality]]. Its inverse is [[3ifdo]]. As a [[scale]] it may also be known as [[harmonic mode|mode 3 of the harmonic series]] or the [[overtone scale #Over-n scales|Over-3]] scale. The notes of this afdo form a 3:4:5 triad (first rotation of the [[just major triad]]) on root position.
| | {{Harmonics intro|3}} It is the first nontrivial scale of the series, since it is the first to demonstrate [[chirality]]. The notes of this scale form a 3:4:5 triad (first rotation of the [[just major triad]]) in root position. |
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| == Intervals == | | == Intervals == |
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| | [[File:Jid_2_1_pluck_adu_dr220.mp3]] | | | [[File:Jid_2_1_pluck_adu_dr220.mp3]] |
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| | {{Navbox harmonics}} |