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A '''mode''' is a musical scale which does not conform to the behavior of a typical Western major or minor [[key (music)|key]]. The term can refer to one of three different types of scales:
*[[Medieval]] "church" modes
*Modern modes based on the intervals of the major scale
*Any number of scale types used in music of non-Western cultures (a usage which has fallen out of favor with ethnomusicologists)
The so-called "church modes" were named after [[ancient Greece|ancient Greek]] scales, or ''topoi,'' with the names "Lydian," "Dorian," "Phrygian," and "Mixolydian." Four more modes were modified versions of these, adding the prefix "hypo" (i.e. "Hypophrygian"). Despite their sharing names with the ''topoi'', their interval content has nothing to do with the ancient Greek scales, the sound of which would have been unknown to the 9th-century theorists who gave the modes these names.
Modern modal usage is based on some of the same names as the church modes, but also with some significant differences. One can easily understand the concept of modes by imagining a C-major scale, and by playing a new scale with the same notes, but beginning on each successive member of the scale. Beginning on C, the modes are named:
C - Ionian (CDEFGABC)<br />
D - Dorian (DEFGABCD)<br />
E - Phrygian (EFGABCDE)<br />
F - Lydian (FGABCDEF)<br />
G - Mixolydian (GABCDEFG)<br />
A - Aeolian (ABCDEFGA)<br />
B - Locrian (BCDEFGAB)
The Locrian mode, because of the unstable diminished interval between its root and fifth, is very seldom used as a the main mode of a piece. It is, however, used in modal [[jazz]].
In the modern usage of modes, especially in jazz, there is usually also an avoidance of typical rules of classical harmony. Therefore, the Ionian and the Aeolian modes, while being in principle the same as the major and minor scales, will indicate this semantic difference. Often, this includes the avoidance of chords and chord progressions altogether.
There is yet another meaning of mode in music which has nothing to do with a scale. It also describes certain rhythmic practices in 13th and 14th-century music. The difference is usually made clear by referring to this as "Rhythmic Mode."
==Resources==
Donald J. Grout and Claude Palisca, ''Norton History of Western Music.''
[[category:musical terms]]
*[[Medieval]] "church" modes
*Modern modes based on the intervals of the major scale
*Any number of scale types used in music of non-Western cultures (a usage which has fallen out of favor with ethnomusicologists)
The so-called "church modes" were named after [[ancient Greece|ancient Greek]] scales, or ''topoi,'' with the names "Lydian," "Dorian," "Phrygian," and "Mixolydian." Four more modes were modified versions of these, adding the prefix "hypo" (i.e. "Hypophrygian"). Despite their sharing names with the ''topoi'', their interval content has nothing to do with the ancient Greek scales, the sound of which would have been unknown to the 9th-century theorists who gave the modes these names.
Modern modal usage is based on some of the same names as the church modes, but also with some significant differences. One can easily understand the concept of modes by imagining a C-major scale, and by playing a new scale with the same notes, but beginning on each successive member of the scale. Beginning on C, the modes are named:
C - Ionian (CDEFGABC)<br />
D - Dorian (DEFGABCD)<br />
E - Phrygian (EFGABCDE)<br />
F - Lydian (FGABCDEF)<br />
G - Mixolydian (GABCDEFG)<br />
A - Aeolian (ABCDEFGA)<br />
B - Locrian (BCDEFGAB)
The Locrian mode, because of the unstable diminished interval between its root and fifth, is very seldom used as a the main mode of a piece. It is, however, used in modal [[jazz]].
In the modern usage of modes, especially in jazz, there is usually also an avoidance of typical rules of classical harmony. Therefore, the Ionian and the Aeolian modes, while being in principle the same as the major and minor scales, will indicate this semantic difference. Often, this includes the avoidance of chords and chord progressions altogether.
There is yet another meaning of mode in music which has nothing to do with a scale. It also describes certain rhythmic practices in 13th and 14th-century music. The difference is usually made clear by referring to this as "Rhythmic Mode."
==Resources==
Donald J. Grout and Claude Palisca, ''Norton History of Western Music.''
[[category:musical terms]]