Specifics

Form AAAA BBAA BBAA BBAA,
         the same as in Fugue 11.
                   The second BBAA will be in the flattening Chromatic Minor Mode.
Chord Pattern - M53-24 and m53-24

Here also, the S1 and the S2 will be in the same direction,
         even if the fundamental progressions are in the opposite direction,
                   imposing "mutations" between the S1 and the S2.
The song presented will be Red River Valley,
         using the words of the chorus and of 3 verses.

Choral Disposition Of The Fugue-lines

NOTE the unusual mutation at the end of the S2,
         where we have a change of note, C instead of A,
                   rather than a change of interval.

Divertimenti

Three eight-bar, full circle Divertimenti, ending on the DOMINANT,
                   the first and third in major, the second in minor.
         The first is in 2 voices using voice-leading C
         The second is in 3 voices using voice-leading A
         The third is in 4 voices using voice-leading C twice, with 2 different motifs.

The Complete Fugue

Red River Valley