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The musical system of ancient Greece evolved over a period of more than 500 years from simple scales of tetrachords, or divisions of the perfect fourth, into several complex systems encompassing tetrachords and octaves, as well as octave scales divided into seven to thirteen intervals.
In music theory, a tetrachord (Greek: τετράχορδoν; Latin: tetrachordum) is a series of four notes separated by three intervals.In traditional music theory, a tetrachord always spanned the interval of a perfect fourth, a 4:3 frequency proportion (approx. 498 cents)—but in modern use it means any four-note segment of a scale or tone row, not necessarily related to a particular tuning ...
Pyknon (from Greek: πυκνόν), sometimes also transliterated as pycnon (from Greek: πυκνός close, close-packed, crowded, condensed; Latin: spissus) in the music theory of Antiquity is a structural property of any tetrachord in which a composite of two smaller intervals is less than the remaining (incomposite) interval.
In the musical system of ancient Greece, genus (Greek: γένος [genos], pl. γένη [genē], Latin: genus, pl. genera "type, kind") is a term used to describe certain classes of intonations of the two movable notes within a tetrachord.
The Dorian mode or Doric mode can refer to three very different but interrelated subjects: one of the Ancient Greek harmoniai (characteristic melodic behaviour, or the scale structure associated with it); one of the medieval musical modes; or—most commonly—one of the modern modal diatonic scales, corresponding to the piano keyboard's white notes from D to D, or any transposition of itself.
Division of the Tetrachord, John Chalmers; Greek and Liturgical Modes; The Ancient Musical Modes: What Were They?, Eric Friedlander MD; An interactive demonstration of many scales and modes; The Music of Ancient Greeks, an approach to the original singing of the Homeric epics and early Greek epic and lyrical poetry by Ioannidis Nikolaos
In ancient Greece there were three standard tunings (known by the Latin word genus, plural genera) [d] of a lyre. [3] These three tunings were called diatonic, [e] chromatic, [f] and enharmonic, [4] and the sequences of four notes that they produced were called tetrachords ("four strings").
The Hypodorian mode, a musical term literally meaning 'below Dorian', derives its name from a tonos or octave species of ancient Greece which, in its diatonic genus, is built from a tetrachord consisting (in rising direction) of a semitone followed by two whole tones. The rising scale for the octave is a single tone followed by two conjoint ...