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Hypophrygian mode

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Title: Hypophrygian mode  
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Subject: Musical system of ancient Greece, Mode (music), Octoechos, Phrygian mode, Octave species
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Hypophrygian mode

Hypophrygian mode on E About this sound Play  .

The Hypophrygian mode, literally meaning "below Phrygian", is a musical mode or diatonic scale in medieval chant theory, the fourth mode of church music. This mode is the plagal counterpart of the authentic third mode, which was called Phrygian. In the Middle Ages and Renaissance this mode was described in two ways: the diatonic scale from B to B an octave above, divided at the mode final E (B–C–D–E + E–F–G–A–B); and as a mode with final E and ambitus from the A below to the C above. The note A above the final (the tenor of the corresponding fourth psalm tone) had an important melodic function (Powers 2001b, 38). The melodic range of the ecclesiastical Hypophrygian mode therefore goes from the perfect fourth or fifth below the tonic to the perfect fifth or minor sixth above.

Ancient Greek Hypophrygian octave species on E (the barline marks the beginning of the enharmonic tetrachord, conjoined to a second tetrachord) About this sound Play  

The name Hypophrygian originates in an octave species of ancient Greek music theory. According to Aristoxenus, this octave species was originally described around the year 400 BC by the Harmonicist school of Eratocles in terms of the enharmonic genus of the tetrachord: a series of rising intervals of two quarter tones followed by a ditone, together spanning a perfect fourth. The Dorian octave species begins with this tetrachord, which is followed by a whole tone and another tetrachord to complete the octave with a pattern of ¼, ¼, 2, 1, ¼, ¼, and 2 tones. This pattern is rotated downward one degree for the Hypolydian, and one more for the Hypophrygian, for an octave species of 2, 1, ¼, ¼, 2, ¼, and ¼ tones (Barker 1989, 15).

The name was appropriated by Ptolemy of Alexandria for one of his seven tonoi, or transposition keys. Ptolemy's system differed from the earlier Aristoxenian model, which had thirteen transpositional levels each a semitone from its neighbours. Ptolemy substituted a diatonic sequence of seven transpositions pitched either a whole tone or a semitone apart. The entire double-octave scale system was then transposed onto each of these relative pitch levels, requiring (in modern terms) a different key signature in each case, and therefore a different sequence of whole and half steps in the fixed central octave span. The Hypophrygian transposition was the second-lowest of these, a whole tone above the Hypodorian. A whole tone higher was the Hypolydian, followed a semitone higher still by the Dorian, then after another whole tone by the Phrygian, and so on (Powers 2001c; Richter 2001). Four centuries later, the term was taken from Ptolemy in exactly the same sense by Boethius, who described these seven names as "toni, tropi, vel modi" (tones, tropes or modes) in the fourth book of his De institutione musica. In the late 9th century, in the Carolingian treatises Alia musica and in a commentary on it called the Nova expositio, this set of seven terms, supplemented by an eighth name, "Hypermixolydian", was given a new sense, designating a set of diatonic octave species, described as the tonal embodiments of the eight modes of Gregorian chant (Powers 2001a).


  • Barker, Andrew. 1989. Greek Musical Writings, vol. 2 (Harmonic and Acoustical Theories). Cambridge Readings in the Literature of Music. Cambridge and New York: Cambridge University Press.
  • Powers, Harold S. 2001a. "Dorian". The New Grove Dictionary of Music and Musicians, second edition, 29 vols., edited by Stanley Sadie and John Tyrrell, 12:38. London: Macmillan Publishers. ISBN 978-0-333-60800-5 OCLC 44391762.
  • Powers, Harold S. 2001b. "Hypophrygian". The New Grove Dictionary of Music and Musicians, second edition, 29 vols., edited by Stanley Sadie and John Tyrrell, 12:38–39. London: Macmillan Publishers; New York: Grove's Dictionaries of Music. ISBN 978-1-56159-239-5.
  • Powers, Harold S. 2001c. "Mode §II: Medieval Modal Theory, 1: The Elements, (i) The Hellenistic Model: Tonus, Modus, Tropus". The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell. London: Macmillan Publishers.
  • Richter, Lukas. 2001. "Ptolemy [Klaudios Ptolemaios; Claudius Ptolemaeus]". The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell. London: Macmillan Publishers.

Further reading

  • Calle Carabias, Quentín. 2006. "'Dicen que nací en argel...': Fandango charro—Estudio filológico del texto, análisis musicológico y armonización de su melodía". Revista de musicología 29, no. 1 (June): 191–213.
  • Gissel, Siegfried. 1991. "Die Modi Phrygius, Hypophrygius und Phrygius connexus: Ein Beitrag zu den 'in mi' Tonarten um 1600". Musica Disciplina 45:5–94. ISSN 0077-2461
  • Krones, Hartmut. 2007. "Secundus tonus est gravis et flebilis—Tertius tonus severus est: Zur Semantik der Modi in Trauermotetten der Zeit um 1500". In Tod in Musik und Kultur: Zum 500. Todestag Philipps des Schönen, edited by Stefan Gasch and Birgit Lodes, 157–88. Wiener Forum für Ältere Musikgeschichte 2. Tutzing: Hans Schneider. ISBN 978-3-7952-1239-1.
  • Tilton, Mary C. 1989. "The Influence of Psalm Tone and Mode on the Structure of the Phrygian Toccatas of Claudio Merulo". Theoria 4:106–22. ISSN 0040-5817
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