Mudcat Café message #41338 The Mudcat Café TM
Thread #6800   Message #41338
Posted By: Peter T.
12-Oct-98 - 01:07 PM
Thread Name: Modes?
Subject: RE: Modes?
Since I seem to have scared everyone away with dumb questions, I might contribute or bring closure to this by quoting a passage from Ken Perlman’s More Fingerstyle Guitar (Prentice-Hall, 1985) which a friend noted and handed to me over the weekend:

“Diatonic triads and seventh chords can be constructed by applying the same procedure to modal scales as was used for major and minor scales...There is one problem with this approach -- namely that the official dominants of the Dorian, Mixolydian, and Aeolian modes do not strongly lead back to their respective tonic chords, [because] the V-chords are minor triads. To deal with this state of affairs, musicians invented altered scales to which the seventh degree is raised a half step.....This process is most often applied to the Aeolian (natural minor) mode, which when altered in this manner is known as the harmonic minor mode. For scales that remain unaltered, in Dorian , Aeolian, or Mixolydian scales -- such as ones appearing in many fiddle tunes -- the VII chord (a major triad in all three modes) usually serves the role of the dominant. For example, the VII chord for D Dorian is C major, and so on. In “Banish Misfortune”, a jig popularized by the Chieftans in the 1970’s, the tune is in D Mixolydian, and the C major chord acts as the dominant. There is an accidental (a C sharp) in various measures that has the function of leading to the last tonic note of each section with a greater sense of finality.” (Abridged from Pp. 127-128)

Yours, Peter T.