Locrian mode

From Wikipedia, the free encyclopedia

Template:Short description The Locrian mode is the seventh mode of the diatonic scale. It is either a musical mode or simply a diatonic scale. On the keyboard it is the scale that starts with B and uses only the white keys from there on up to the next higher B. Its ascending form consists of the key note, then: Half step, whole step, whole step, half step, whole step, whole step, whole step.

<score sound=1 lang="lilypond"> {

\key c \major \override Score.TimeSignature #'stencil = ##f \relative c' { 

 \clef treble \time 7/4
 b4^\markup { Locrian mode } c d e f g a b2

} } </score>

History

Locrian is the word used to describe an ancient Greek tribe that inhabited the three regions of Locris.[1] Although the term occurs in several classical authors on music theory, including Cleonides (as an octave species) and Athenaeus (as an obsolete harmonia), there is no warrant for the modern use of Locrian as equivalent to Glarean's hyperaeolian mode, in either classical, Renaissance, or later phases of modal theory through the 18th century, or modern scholarship on ancient Greek musical theory and practice.[2][3]

The name first came into use in modal chant theory after the 18th century,[2] when Locrian was used to describe the newly numbered mode 11, with its final on B, ambitus from that note to the octave above, and semitones therefore between the first and second, and between the fourth and fifth degrees. Its reciting tone (or tenor) is G, its mediant D, and it has two participants: E and F.[4] The final, as its name implies, is the tone on which the chant eventually settles, and corresponds to the tonic in tonal music. The reciting tone is the tone around which the melody principally centers,[5] the term mediant is named from its position between the final tone and the reciting tone, and the participant is an auxiliary note, generally adjacent to the mediant in authentic modes and, in the plagal forms, coincident with the reciting tone of the corresponding authentic mode.[6]

Modern Locrian

In modern practice, the Locrian may be considered to be one of the modern minor scales: The natural minor with the step before second and the fifth scale degrees reduced from a tone to a semitone. The Locrian mode may also be considered to be a scale beginning on the seventh scale degree of any Ionian, or modern natural major scale. The Locrian mode has the formula:

1, ♭2, ♭3, 4, ♭5, ♭6, ♭7

The chord progression for Locrian starting on B is Bdim 5, CMaj, Dmin, Emin, FMaj, GMaj, Amin. Its tonic chord is a diminished triad (Bdim = Bdim 5
min 3 = BDF, in the Locrian mode using the white-key diatonic scale with starting note B, corresponding to a C major scale starting on its 7th tone). This mode's diminished fifth and the Lydian mode's augmented fourth are the only modes that contain a tritone as a note in their modal scale.

Overview

The Locrian mode is the only modern diatonic mode in which the tonic triad is a diminished chord (flattened fifth), which is considered very dissonant. This is because the interval between the root and fifth of the chord is a diminished fifth. For example, the tonic triad of B Locrian is made from the notes B, D, F. The root is B and the dim 5th is F. The diminished-fifth interval between them is the cause for the chord's striking dissonance.[citation needed]

<score sound=1 lang="lilypond"> {

\override Score.TimeSignature #'stencil = ##f \relative c' { 

 \clef treble \time 7/4
 b4^\markup { B Locrian mode } c d e f g a b2

} } </score>

The name "Locrian" is borrowed from music theory of ancient Greece. What is now called the Locrian mode, however, was what the Greeks called the diatonic Mixolydian tonos. The Greeks used the term "Locrian" as an alternative name for their "Hypodorian", or "common" tonos, with a scale running from mese to nete hyperbolaion, which in its diatonic genus corresponds to the modern Aeolian mode.[7]

In his reform of modal theory,[8] Glarean named this division of the octave "hyperaeolian" and printed some musical examples (a three-part polyphonic example specially commissioned from his friend Sixtus Dietrich, and the Christe from the Missa de Sancto Antonio by de la Rue), although he did not accept hyperaeolian as one of his twelve modes.[9]

The term "Locrian" as equivalent to Glarean's hyperaeolian or the ancient Greek (diatonic) mixolydian, however, was not used until the 19th century.[2]

Use

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Use in classical music

There are brief passages in classical, especially orchestral, works that have been regarded as using the Locrian mode:

The Locrian mode is almost never used in folk or popular music:

"In practical terms it should be said that few rock songs that use modes such as the Phrygian, Lydian, or Locrian actually maintain a harmony rigorously fixed on them. What usually happens is that the scale is harmonized in [chords with perfect] fifths and the riffs are then played [over] those [chords]."[15]

Among the very few instances of folk and popular music in the Locrian mode:

References

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  1. ^ Script error: No such module "template wrapper". (Subscription or participating institution membership required.)
  2. ^ a b c Page Module:Citation/CS1/styles.css has no content.Powers, Harold S. (2001a). "Locrian". In Sadie, Stanley; Tyrrell, John (eds.). The New Grove Dictionary of Music and Musicians (2nd ed.). London, UK: Macmillan Publishers. p. 158.
  3. ^ Page Module:Citation/CS1/styles.css has no content.Hiley, David (2002). "Mode". In Latham, Alison (ed.). The Oxford Companion to Music. Oxford, UK / New York, NY: Oxford University Press. ISBN 978-0-19-866212-9. OCLC 59376677.
  4. ^ Page Module:Citation/CS1/styles.css has no content.Rockstro, William Smyth (1880). "Locrian mode". In Grove, George, D.C.L. (ed.). A Dictionary of Music and Musicians (A.D. 1450–1880), by eminent writers, English and foreign. Vol. 2. London, UK: Macmillan and Co. p. 158.{{cite encyclopedia}}: CS1 maint: multiple names: editors list (link)
  5. ^ Page Module:Citation/CS1/styles.css has no content.Smith, Charlotte (1989). A Manual of Sixteenth-Century Contrapuntal Style. Newark, NJ / London, UK: University of Delaware Press / Associated University Presses. p. 14. ISBN 978-0-87413-327-1.
  6. ^ Page Module:Citation/CS1/styles.css has no content.Powers, Harold S. (2001b). "Modes, the ecclesiastical". In Sadie, Stanley; Tyrrell, John (eds.). The New Grove Dictionary of Music and Musicians (2nd ed.). London, UK: Macmillan Publishers. pp. 340–343, esp. p. 342.
  7. ^ Page Module:Citation/CS1/styles.css has no content.Mathiesen, T.J. (2001). "Greece, §1: Ancient; §6: Music Theory". In Sadie, Stanley; Tyrrell, John (eds.). The New Grove Dictionary of Music and Musicians (2nd ed.). London, UK: Macmillan Publishers.
  8. ^ Page Module:Citation/CS1/styles.css has no content.Glarean, H. (1547). Dodecachordon.
  9. ^ Page Module:Citation/CS1/styles.css has no content.Powers, Harold S. (2001c). "Hyperaeolian". In Sadie, Stanley; Tyrrell, John (eds.). The New Grove Dictionary of Music and Musicians (2nd ed.). London, UK: Macmillan Publishers.
  10. ^ a b c Page Module:Citation/CS1/styles.css has no content.Persichetti, Vincent (1961). Twentieth Century Harmony. New York, NY: W.W. Norton & Company. p. 42.
  11. ^ Page Module:Citation/CS1/styles.css has no content.Larín, Eduardo (Spring–Summer 2005). " "Waves" in Debussy's Jeux d'eau ". Ex Tempore. Vol. 12, no. 2 – via ex-tempore.org.
  12. ^ Page Module:Citation/CS1/styles.css has no content.Anderson, Gene (1996).  The triumph of timelessness over time in Hindemith's "Turandot Scherzo" from Symphonic Metamorphosis of Themes by Carl Maria von Weber. College Music Symposium. Vol. 36. pp. 1–15, citation p 3.
  13. ^ Page Module:Citation/CS1/styles.css has no content.Mair, Nadia (6 March 2024). "Using Modes to Compose: Locrian". The Composer's Life. Retrieved 30 May 2025.
  14. ^ Page Module:Citation/CS1/styles.css has no content."Songs in the Locrian Mode". CMUSE. 17 February 2023. Retrieved 28 May 2025.
  15. ^ a b Page Module:Citation/CS1/styles.css has no content.Rooksby, Rikky (2010). Riffs: How to create and play great guitar riffs. Backbeat. p. 121. ISBN 9781476855486 – via Google books.
  16. ^ Page Module:Citation/CS1/styles.css has no content."Maqam Lami". www.maqamworld.com. Retrieved 2025-01-01.
  17. ^ Page Module:Citation/CS1/styles.css has no content.Boden, Jon (21 April 2012). ""Dust to Dust"". A Folk Song a Day (afolksongaday.com). Archived from the original on 3 October 2012.
  18. ^ Page Module:Citation/CS1/styles.css has no content.Kirkpatrick, John (Summer 2000). "The art of writing songs". English Dance & Song. 62 (2): 27. ISSN 0013-8231. EFDSS 55987. Retrieved 23 October 2020.
  19. ^ Page Module:Citation/CS1/styles.css has no content.Hein, Ethan (17 November 2015). "Musical simples: Army Of Me". The Ethan Hein Blog. Retrieved 5 November 2020.
  20. ^ Page Module:Citation/CS1/styles.css has no content.Anderson, Carys (7 September 2022). "King Gizzard and the Lizard Wizard announce three albums dropping in October, share "Ice V": Stream". Consequence (consequence.net) (music review). Retrieved 2022-10-13.
  21. ^ Page Module:Citation/CS1/styles.css has no content.Doug Helvering (2025-04-25). Patreon Exclusive: OPETH: THE LAST WILL AND TESTAMENT | Full Album reaction and analysis | Ep. 947. Retrieved 2025-06-23 – via YouTube. Discussion of locrian mode starts at around 1:32:50.

Further reading

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