Ionian mode
Encyclopedia
Heinrich Glarean
Heinrich Glarean was a Swiss music theorist, poet and humanist. He was born in Mollis and died in Freiburg....
in 1547 to his new authentic mode
Authentic mode
An authentic mode is one of four Gregorian modes whose final is the lowest note of the scale...
on C (mode 11 in his numbering scheme), which uses the diatonic octave species
Octave species
In early Greek music theory, an octave species is a sequence of incomposite intervals making up a complete octave...
from C to the C an octave higher, divided at G (as its dominant, reciting note or tenor) into a fourth species of perfect fifth
Perfect fifth
In classical music from Western culture, a fifth is a musical interval encompassing five staff positions , and the perfect fifth is a fifth spanning seven semitones, or in meantone, four diatonic semitones and three chromatic semitones...
(tone–tone–semitone–tone) plus a third species of perfect fourth
Perfect fourth
In classical music from Western culture, a fourth is a musical interval encompassing four staff positions , and the perfect fourth is a fourth spanning five semitones. For example, the ascending interval from C to the next F is a perfect fourth, as the note F lies five semitones above C, and there...
(tone–tone–semitone): C D E F G + G A B C (Powers 2001a). This octave species is essentially the same as the major mode of tonal music (Jones 1974, 42).
Church music was previously explained by theorists as being organised in eight musical modes: the scales on D, E, F, and G in the "greater perfect system" of "musica recta" (Powers 2001b, §II: "Medieval Modal Theory"), each with their authentic
Authentic mode
An authentic mode is one of four Gregorian modes whose final is the lowest note of the scale...
and plagal
Plagal mode
A Plagal mode may mean different church chanting modes, depending on the context.-In Western Practice:A plagal mode is a musical mode, which is one of four Gregorian modes whose range includes the octave from the fourth below the tonic, or final, to the fifth above...
counterparts.
Glarean's twelfth mode was the plagal version of the Ionian mode, called Hypoionian
Hypoionian mode
The Hypoionian mode, literally meaning 'below Ionian', is the name assigned by Henricus Glareanus in his Dodecachordon to the plagal mode on C, which uses the diatonic octave species from G to the G an octave higher, divided at its final, C...
(under Ionian), based on the same relative scale, but with the major third
Major third
In classical music from Western culture, a third is a musical interval encompassing three staff positions , and the major third is one of two commonly occurring thirds. It is qualified as major because it is the largest of the two: the major third spans four semitones, the minor third three...
as its tenor, and having a melodic range from a perfect fourth
Perfect fourth
In classical music from Western culture, a fourth is a musical interval encompassing four staff positions , and the perfect fourth is a fourth spanning five semitones. For example, the ascending interval from C to the next F is a perfect fourth, as the note F lies five semitones above C, and there...
below the tonic, to a perfect fifth
Perfect fifth
In classical music from Western culture, a fifth is a musical interval encompassing five staff positions , and the perfect fifth is a fifth spanning seven semitones, or in meantone, four diatonic semitones and three chromatic semitones...
above it (Powers 2001c).
External links
- Ionian mode for guitar at GOSK.com