MUS 212

Bach Chorale Chord Progressions

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ROOT MOVEMENT (MAJOR / MINOR)

 

FOURTH CLASS THIRD CLASS SECOND CLASS FIRST CLASS TONIC
IIIg VIg IV
ig
II
V
hg
VII
Ig

Also normal progression:  IV g II      VII g V

Common retrogressions:  VI g III      V g II      V g IV      V g VI (deceptive cadence)

Less common retrogressions:  V g III      IV g VI      II g VI

Common elisions (skipping a class):  III g IV      VI g V      IV g I

Repetition:  I      V      IV      II      (remaining functions rarely repeated)

Normal progression: 76%
Repetition: 14%
Retrogression: 6%
Elision: 4%

 

APPEARANCE OF CHORD BY CLASS
Tonic: 38%  
First Class: 34% (V = 28%, VII = 6%)
Second Class: 19% (IV = 11%, II = 8%)
Third Class: 7% (VI = 6.4%, I dis. = .6%)
Fourth Class: 2% (III = 1.8%, V alt. = .2%)

 

Diatonic triads: 83.7%
Diatonic 7th chords: 14.8%
Altered chords: 1.5%

 

SEVENTH CHORDS:

Root position: 26%
First inversion: 58.5%
Second inversion: 3%
Third inversion: 12.5%

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