Perfect intervals complement ( different ) perfect intervals, major intervals complement minor intervals, augmented intervals complement diminished intervals, and double diminished intervals complement double augmented intervals.
12.
Composers at the beginning of the 20th century tried to tell us that tonic notes and perfect intervals meant much less in their larger, braver new world.
13.
That system too is completely coherent but there the only perfect interval is the unison, all other are either major or minor ( or diminshed, augmented, etc .)
14.
For parallel singing, the original chant would be the upper voice, " vox principalis "; the " vox organalis " was at a parallel perfect interval below, usually a fourth.
15.
Copland's ever-familiar " Fanfare for the Common Man " began the evening, announcing with its pristine brass and perfect intervals a musical America that in the later light of " Skies of America " seemed provincial and localized.
16.
It's a more rational system, but it's also better sounding better for chords, better for single notes . " To build chords, Fripp uses " perfect intervals in fourths, fifths and octaves ", so avoiding minor and major thirds.
17.
These practices were common throughout Europe, but in Germany musicians followed a distinctive set of practices for their own vernacular music, particularly at cadences, where they regularly avoided approaching perfect intervals from the closest imperfect intervals ( for a discussion of the German customs, see;)
18.
Though used in, and evocative of, various kinds of popular, folk, and medieval music, parallel motion in perfect consonances ( P1, P5, P8 ) is strictly forbidden in species counterpoint instruction ( 1725 present ) The perfect intervals ( the 4th, 5th and octave ) sound'pure '.
19.
In the medieval era, early Christian hymns featured organum ( which used the simultaneous perfect intervals of a fourth, a fifth, and an octave ), with chord progressions and harmony an incidental result of the emphasis on melodic lines during the medieval and then Renaissance ( 15-17th centuries ).
20.
Under inversion, perfect intervals remain perfect, major intervals become minor and vice versa, augmented intervals become diminished and vice versa . ( Double diminished intervals become double augmented intervals, and vice versa . ) Traditional interval names add together to make nine : seconds become sevenths and vice versa, thirds become sixes and vice versa, and fourths become fifths and vice versa.
