Musical system of ancient Greece tradition were (; ): These names are derived from Ancient Greek subgroups (Dorians), one small region in central Greece (Locris), and certain neighboring (non-Greek) peoples from Asia Minor (Lydia, Phrygia). The association of these ethnic names with the octave species appears to precede Aristoxenus, who criticized their application to the "tonoi" by the earlier theorists whom he called the Harmonicists . The term "tonos" (pl. "tonoi") was used in four senses: "as note, interval, region of the voice, and pitch. We use it of the region of the voice whenever we speak of Dorian, or Phrygian, or Lydian, or any
Achaea (ancient region) Achaea (ancient region) Achaea () or Achaia (; , "Akhaia", ) was (and is) the northernmost region of the Peloponnese, occupying the coastal strip north of Arcadia. Its approximate boundaries were to the south the mountain range of Erymanthus, to the south-east the range of Cyllene, to the east Sicyon, and to the west the Larissos river. Apart from the plain around Dyme, to the west, Achaea was generally a mountainous region. The name of Achaea has a slightly convoluted history. Homer uses the term Achaeans as a generic term for Greeks throughout the "Iliad"; conversely, a distinct region of