Robert Hart on the Trinity in Bach
Whether his art is visual, musical, or verbal, the Christian artist presents an apologetic. He does more than refute error; he transcends the mind that holds error. Whether or not he explains the truth, he shows it, that we may see and hear it also.
Theology in Music
Johann Sebastian Bach wrote many a choral piece for the Church, and the words of those pieces reflect his deep faith. Some of the cantatas have texts by an unknown poet, which I suspect was Bach himself, for he wrote poetry as a pastime. Every part of Christian devotion is expressed in his music, from the lofty grandeur of his Sanctus in the B-Minor Mass, to the simple expression of grief at the end of the St. Matthew Passion:
And yet, Bach’s music expresses the truth even when no words are used. The very order and logic of it speak of a universe ruled and governed by its Creator. Even more, Bach was able to put theology into the music itself. He did so without any loss to the musical art; for the piece of which I am about to speak is a masterpiece, as moving and inspiring as any can be for the sheer joy of the listening ear. To those who pay attention, a very clear demonstration of the truth is presented in the “St. Anne” Fugue in E-flat Major for organ (BWV 552).
The fugue is a contrapuntal form of music, which means that different lines of melody are played against each other, without strophic chords. A fragment of a melody is stated, which is called the “subject,” in one voice. It is answered and repeated in another voice, which enters, usually in the interval of a fifth, while the first voice plays what is called the “counter-subject.” A third voice enters, usually returning to the “root” key, and so on. Most fugues have four voices.
The art of the fugue lies in the development of the piece, with its subject always being repeated, as it modulates into different keys and keeps the lines of melody moving with good harmonic flavor throughout. Sometimes the subject disappears very briefly and we are treated to what is called an “episode.” The purpose of the “episode” is to lead us into the next statement of the subject.
The “St. Anne” Fugue is a triple fugue. Each of the three sections, which I will identify as A, B, and C, is part of the fugue and yet is at the same time itself a complete fugue. The opening notes of the hymn “O God, Our Help in Ages Past” are clearly stated as the subject for A. It develops as all fugues do, as each voice comes in and the fugue modulates from key to key, but then it resolves rather quickly in an unsatisfying conclusion. This is because we are not done, and are meant to anticipate more.
B starts, with its mysterious-sounding subject, and we are treated to the typical fugal voice entries; but when it starts to develop, we hear suddenly that the subject of A has reappeared. Is it being used as a counter-subject to each subsequent entry of the B subject as it develops and modulates, or is B an “episode” rather than a new fugue?
But we are still not done. For this section also concludes too suddenly for us to feel that it is over, and the entrance of a very joyful-sounding subject introduces the third fugue, or the third section. Again, C goes through its entries of voices with subject and counter-subject, and then we hear the subjects of A and B played together in counterpoint as an “episode.” In fact, this combination provides an “episode” between entrances of the C subject a few times, until the whole piece ends with the clear statement of the A subject.
The fact that the piece ends with the subject of A unifies it and makes it one fugue, but it also sounds like three fugues. Also, B and C both derive from and depend on A, yet each of them is equal to A. Is the “St. Anne” Fugue one piece or three pieces?
Bach Against Arius
It seems that we have a problem similar to that which confronted Arius, the fourth-century heretic who made the Council of Nicea necessary. He could not believe that it made any sense that Christians worship a God who is three Persons. The doctrine of the Trinity offended his sense of mathematical purity, a purity based upon a simplistic, undeveloped understanding.
He did not deny that the Word is a Person to be worshiped, and so he made of him a god, but one who is a creature of the One God. He also denied the existence of the Holy Spirit as a Person. His devotion to pure monotheism had the ironic effect of leading him into advocating a kind of polytheism. At the root of it was a simple inability to appreciate the complexity of divine transcendence, combined with an inability to appreciate that complexity as reflected within creation, as a genuine student of mathematics should be able to do.
One of the heroes of the Council of Nicea, St. Athanasius, spent a lifetime refuting the error of Arius, and did so at great personal expense, going more than once into exile. For centuries, Christian theologians have refuted the Arian heresy, mostly by proving that the Trinity is a doctrine revealed clearly in the Scriptures and understood to be true by the Church in every age. No one claims to understand the Trinity fully, but rather to understand the doctrine of the Trinity that has been revealed to the Church, for the first would be to fully understand God, which we cannot do, and the second is to understand what he has said, which we can.
The Christian artist Johann Sebastian Bach did something, however, that theologians and scholars cannot do with all of the words of every language. Bach did not refute Arius; instead, he showed musically how the problem that vexed Arius could be solved. The “St. Anne” Fugue does not explain the truth; it demonstrates it with mathematical complexity, and yet with the simplicity of genius.
Is the “St. Anne” Fugue one or three? The answer, which every ear can hear for itself, is that “these three are one.”
The author recommends Jaroslav Pelikan’s Bach Among the Theologians as a treatment of Bach’s religious music.
Robert Hart is rector of St. Benedict's Anglican Catholic Church in Chapel Hill, North Carolina (Anglican Catholic Church Original Province). He also contributes regularly to the blog The Continuum. He is a contributing editor of Touchstone.
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“Three-Fold Chords” first appeared in the October 2004 issue of Touchstone. If you enjoyed this article, you'll find more of the same in every issue.
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