Thursday, September 03, 2009

A Fugue

The first movement ended too abruptly. There were only three bars after the narrator finishes (including the measure where the narrator sings only on the first beat); typically, though not always, in traditional Western tonal music four bars would follow. I extended it to five by inserting a bar (measure 31) and drawing out the last bar. The inner strings (violin 2 and viola) were also altered to rise to the end, which could suggest the Puritan looking or striving towards heaven.



Back to the second movement, my initial attempt for the vocal entrances was compact but muddy, especially considering the violin line that precedes it.



That was changed to a progressive building from the bass to the soprano. The bass and tenor enter on a half note while the alto and soprano compress it to a quarter. In addition, the alto entrance is anticipated by the tenors singing “there” on beat 3 (bar 12) and the soprano entrance is doubly anticipated by the tenors (beat 2) and altos (beat 3) in bar 14. The net effect is a building momentum through all of the entrances and a better fit with the introductory violin line.



The rest of the phrase, “who hated the dance”, gets a chordal treatment with accented emphasis on “hated” by the strings.



There follows a fugue. At this point, I have the fugue subject appearances laid out but only bare harmonic structure in the other voices (and no strings). This allows me to see the overall form and get that reasonable set before filling in the details. It begins with the tenors, then on to the altos and sopranos, the last two compressing the opening note of the subject from a half note to an eighth to give it some momentum. The tenors sing the subject on the tonic (F), the altos climb a third to A, and the sopranos progress to the dominant (C).



After a two-bar episode, the basses initiate a series of inversions of the subject. The first two (alto follows bass) are on the tonic, but the third (tenors) modulates to C and the four (sopranos) moves on to G major. The first note of the subject in each occurrence is extended from an eighth to a quarter note. The first note of the subject, when next it is heard, will extend back to the original half-note, which will probably need to be balanced by episodic rhythm to keep the momentum going. 2-bar episodes separate the subject statements and help establish the modulations.



After a longer episode, the altos and tenors begin tossing the subject back and forth, the altos in C major and the tenors in G major.



The altos take the subject again and the tenors follow with a stretto section, interrupted momentarily by the basses and finally extended to the sopranos. Harmonically, the section passes quickly through A minor and F minor, then settles in C major as the dominant prior to returning to F when the subject passes to the sopranos in bar 50.



In bar 51, all four voices sing out the subject to bring the fugue to a close; it is followed by a chordal section (in the home key of B-flat) on the words “those who hated the dance.” It is similar to the chordal section before the fugue, but the strings add an additional punch after the choir sings “hated”.



The video below starts at the very beginning.

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