Aeolian mode

The Aeolian mode comprises a musical mode or diatonic scale. An Aeolian mode formed part of the music theory of ancient Greece, based around the relative natural scale in A (that is, the same as playing all the 'white notes' of a piano from A to A). Greek theory called this simple scale the hypodorian mode, and the aeolian and locrian modes must have formed different (perhaps chromatic) variations of this.
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MODO EOLIO