Dorian scales are seven-note scales.
Dorian is one of the seven Church Modes, or simply modes.
The dorian scale conforms to the following scale formula:
|scale degree [ formula ]
|key of C [ C dorian ]
The dorian scale contains all four notes of the minor seventh chord (1-b3-5-b7).
The additional tones are scale degree two, scale-degree four, and scale-degree six.
Scale-degree six is the most characteristic tone of the dorian scale, and uniquely identifies dorian.
The basic quality of dorian is minor.
CHORD TONE & TENSION [MELODIC] VIEW
||I-7 [most], II-7, VI-7, M.I.: IV-7, V-7, others
||I-7 [most], II-7
||usable chords in style
||I7, IV7, V7, [bVII7], [#IVo7]
||I-7, II-7 [or] IV7 [ adjunct chord must have scale-degree six ]
||modal vamp (no changes/progression)
||minor 7th chords which support 9, 11, 13
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