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Goldberg Variations

The Goldberg Variations, BWV 988, is a work written for harpsichord by Johann Sebastian Bach, consisting of an aria and a set of 30 variations. First published in 1741, the work is considered to be one of the most important examples of variation form. The Variations are named after Johann Gottlieb Goldberg, who may have been the first performer.

The tale of how the variations came to be composed comes from an early biography of Bach by Johann Nikolaus Forkel:

"[For this work] we have to thank the instigation of the former Russian ambassador to the electoral court of Saxony, Count Kaiserling, who often stopped in Leipzig and brought there with him the aforementioned Goldberg, in order to have him given musical instruction by Bach. The Count was often ill and had sleepless nights. At such times, Goldberg, who lived in his house, had to spend the night in an antechamber, so as to play for him during his insomnia. ... Once the Count mentioned in Bach's presence that he would like to have some clavier pieces for Goldberg, which should be of such a smooth and somewhat lively character that he might be a little cheered up by them in his sleepless nights. Bach thought himself best able to fulfill this wish by means of Variations, the writing of which he had until then considered an ungrateful task on account of the repeatedly similar harmonic foundation. But since at this time all his works were already models of art, such also these variations became under his hand. Yet he produced only a single work of this kind. Thereafter the Count always called them his variations. He never tired of them, and for a long time sleepless nights meant: 'Dear Goldberg, do play me one of my variations.' Bach was perhaps never so rewarded for one of his works as for this. The Count presented him with a golden goblet filled with 100 louis-d'or. Nevertheless, even had the gift been a thousand times larger, their artistic value would not yet have been paid for."

Forkel wrote his biography in 1802, more than 60 years after the events related, and its accuracy has been questioned. The lack of dedication on the title page also makes the tale of the commission unlikely. Goldberg's age at the time of publication (14 years) has also been cited as grounds for doubting Forkel's tale, although it must be said that he was known to be an accomplished keyboardist and sight-reader. Williams (2001) contends that the Forkel story is entirely spurious.

Publication
Rather unusually for Bach's works, the Goldberg Variations were published in his own lifetime, in 1741. The publisher was Bach's friend Balthasar Schmid of Nuremberg. Schmid printed the work by making engraved copper plates (rather than using movable type); thus the notes of the first edition are in Schmid's own handwriting. The edition contains various printing errors.

Nineteen copies of the first edition survive today. Of these, the most valuable is the "Handexemplar", discovered in 1974 in Strasbourg by the French musicologist Olivier Alain and now kept in the Bibliothèque nationale de France, Paris. This copy includes printing corrections made by the composer, and additional music in the form of fourteen canons on the Goldberg ground (see below). The nineteen printed copies provide virtually the only information available to modern editors trying to reconstruct Bach's intent, as the autograph (hand-written) score has not survived. A handwritten copy of just the aria is found in the 1725 Notebook for Anna Magdalena Bach. Christoph Wolff suggests on the basis of handwriting evidence that Anna Magdalena copied the aria from the autograph score around 1740; it appears on two pages previously left blank.

Instrumentation
On the title page (see above), Bach specified that the work was intended for harpsichord. It is widely performed on this instrument today, though there are also a great number of performances on the piano (see Discography below). The piano was rare in Bach's day and there is no indication that Bach would either have approved or disapproved of performing the variations on this instrument.

Bach's specification is, more precisely, a two-manual harpsichord (see musical keyboard), and he indicated in the score which variations ought to be played using one hand on each manual: Variations 8, 11, 13, 14, 17, 20, 23, 25, 26, 27 and 28 are specified for two manuals, while variations 5, 7 and 29 are specified as playable with either one or two. With greater difficulty, the work can nevertheless be played on a single-manual harpsichord or piano.

Form
After a statement of the aria at the beginning of the piece, there are thirty variations. The variations do not follow the melody of the aria, but rather use its bass line.

Every third variation in the series of 30 is a canon, following an ascending pattern. Thus, variation 3 is a canon at the unison, variation 6 is a canon at the second (the second entry begins the interval of a second above the first), variation 9 is a canon at the third, and so on until variation 27, which is a canon at the ninth. The final variation, instead of being the expected canon in the tenth, is a quodlibet, discussed below.

All the variations are in G major, apart from variations 15, 21, and 25, which are in G minor.

At the end of the thirty variations, Bach writes Aria da Capo e fine, meaning that the performer is to return to the beginning ("da capo") and play the aria again before concluding.

Aria
The aria is a sarabande in 3
4 time, and features a heavily ornamented melody:

Variatio 1. a 1 Clav.
This sprightly variation contrasts markedly with the slow, contemplative mood of the theme. The rhythm in the right hand forces the emphasis on the second beat, giving rise to syncopation from bars 1 to 7. Hands cross at bar 13 from the upper register to the lower, bringing back this syncopation for another two bars. In the first two bars of the B part, the rhythm mirrors that of the beginning of the A part, but after this a different idea is introduced.


Variatio 1. a 1 Clav.
The characteristic rhythm in the left hand is also found in Bach's Partita No. 3 for solo violin, in the A flat major prelude from the first book of The Well-Tempered Clavier, and in the D minor prelude of the second book. Heinz Niemüller also mentions the polonaise character of this variation.

Variatio 2. a 1 Clav.
This is a simple three-part contrapuntal piece in 2/4 time, two voices engage in constant motivic interplay over an incessant bass line. Each section has an alternate ending to be played on the first and second repeat.

Variatio 3. Canone all'Unisono. a 1 Clav.
The first of the regular canons, this is a canon at the unison: the follower begins on the same note as the leader, a bar later. As with all canons of the Goldberg Variations (except the 27th variation, canon at the ninth), there is a supporting bass line here. The time signature of 12
8 and the many sets of triplets suggest a kind of a simple dance.

Variatio 4. a 1 Clav.
Like the passepied, a Baroque dance movement, this variation is in 3/8 time with a preponderance of quaver rhythms. Bach uses close but not exact imitation: the musical pattern in one part reappears a bar later in another (sometimes inverted).

Variatio 5. a 1 ô vero 2 Clav.
This is the first of the hand-crossing, two-part variations. It is in 3
4 time. A rapid melodic line written predominantly in sixteenth notes is accompanied by another melody with longer note values, which features very wide leaps.

Variatio 6. Canone alla Seconda. a 1 Clav.
The sixth variation is a canon at the second: the follower starts a major second higher than the leader. The piece is based on a descending scale and is in 3/8 time. Each section has an alternate ending to be played on the first and second repeat.

Variatio 7. a 1 ô vero 2 Clav. al tempo di Giga
The variation is in 6/8 meter, suggesting several possible Baroque dances. In 1974, when scholars discovered Bach's own copy of the first printing of the Goldberg Variations, they noted that over this variation Bach had added the heading al tempo di Giga. But the implications of this discovery for modern performance have turned out to be less clear than was at first assumed.

Variatio 8. a 2 Clav.
This is another two-part hand-crossing variation, in 3/4 time. The French style of hand-crossing such as is found in the clavier works of Francois Couperin is employed, with both hands playing at the same part of the keyboard, one above the other. This is relatively easy to perform on a two-manual harpsichord, but quite difficult to do on a piano.

Most bars feature either a distinctive pattern of eleven sixteenth notes and a sixteenth rest, or ten sixteenth notes and a single eighth note. Large leaps in the melody occur. Both sections end with descending passages in thirty-second notes.

Variatio 9. Canone alla Terza. a 1 Clav.
This is a canon at the third, in 4/4 time. The supporting bass line is slightly more active than in the previous canons.

Variatio 10. Fughetta. a 1 Clav.
Variation 10 is a four-voice fughetta, with a four-bar subject heavily decorated with ornaments and somewhat reminiscent of the opening aria's melody.

Variatio 11. a 2 Clav.
This is a virtuosic two-part toccata in 12/16 time. Specified for two manuals, it is largely made up of various scale passages, arpeggios and trills, and features much hand-crossing of different kinds.

Variatio 12. a 1 Clav. Canone alla Quarta in moto contrario
This is a canon at the fourth in 3/4 time, of the inverted variety: the follower enters in the second bar in contrary motion to the leader. The follower appears inverted in the second bar.

Variatio 13. a 2 Clav.
This variation is a slow, gentle and richly decorated sarabande in 3/4 time. Most of the melody is written out using thirty-second notes, and ornamented with a few appoggiaturas (more frequent in the second section) and a few mordents. Throughout the piece, the melody is in one voice, and in bars 16 and 24 an interesting effect is produced by the use of an additional voice.

Variatio 14. a 2 Clav.
This is a rapid two-part hand-crossing toccata in 3/4 time, with many trills and other ornamentation. It is specified for two manuals and features large jumps between registers. Both features (ornaments and leaps in the melody) are apparent from the first bar: the piece begins with a transition from the G two octaves below middle C, with a lower mordent, to the G two octaves above it with a trill with initial turn.

Variatio 15. Canone alla Quinta. a 1 Clav.: Andante
This is a canon at the fifth in 2/4 time. Like Variation 12, it is in contrary motion with the leader appearing inverted in the second bar. This is the first of the three variations in G minor, and its melancholic mood contrasts sharply with the playfulness of the previous variation.

Variatio 16. Ouverture. a 1 Clav.
The set of variations can be seen as being divided into two halves, clearly marked by this grand French overture, commencing with a particularly emphatic opening and closing chords. It consists of a slow prelude with dotted rhythms with a following fugue-like contrapuntal section.

Variatio 17. a 2 Clav.
This variation is another two-part virtuosic toccata. Specified for two manuals, the piece features hand-crossing. It is in 3/4 time and usually played at a moderately fast tempo.

Variatio 18. Canone alla Sesta. a 1 Clav.
This is a canon at the sixth in 2/2 time. The canonic interplay in the upper voices features many suspensions.

Variatio 19. a 1 Clav.
This is a dance-like three-part variation in 3
8 time. The same sixteenth note figuration is continuously employed and variously exchanged between each of the three voices. This variation incorporates the rhythmic model of variation 13 (complementary exchange of quarter and sixteenth notes) with variations 1 and 2 (syncopations).

Variatio 20. a 2 Clav.
This variation is a virtuosic two-part toccata in 3/4 time. Specified for two manuals, it involves rapid hand-crossing. The piece consists mostly of variations on the texture introduced during its first eight bars, where one hand plays a string of eighth notes and the other accompanies by plucking sixteenth notes after each eighth note.

Variatio 21. Canone alla Settima
The second of the three minor key variations, variation 21 has a tone that is somber or even tragic, which contrasts starkly with variation 20.[9] The bass line here is one of the most eloquent found in the variations, to which Bach adds chromatic intervals that provide tonal shadings. This variation is a canon at the seventh in 4/4 time.

Variatio 22. a 1 Clav. alla breve
This variation features four-part writing with many imitative passages and its development in all voices but the bass is much like that of a fugue. The only specified ornament is a trill which is performed on a whole note and which lasts for two bars (11 and 12).

Variatio 23. a 2 Clav.
Another lively two-part virtuosic variation for two manuals, in 3/4 time. It begins with the hands chasing one another, as it were: the melodic line, initiated in the left hand with a sharp striking of the G above middle C, and then sliding down from the B one octave above to the F, is offset by the right hand, imitating the left at the same pitch, but a quaver late, for the first three bars, ending with a small flourish in the fourth:

Variatio 24. Canone all'Ottava. a 1 Clav.
This variation is a canon at the octave, in 9/8 time. The leader is answered both an octave below and an octave above; it is the only canon of the variations in which the leader alternates between voices in the middle of a section.

Variatio 25. a 2 Clav.: Adagio
Variation 25 is the third and last variation in G minor; a three-part piece, it is marked adagio in Bach's own copy and is in 3/4 time. The melody is written out predominantly in sixteenth and thirty-second notes, with many chromaticisms. This variation generally lasts longer than any other piece of the set.

Variatio 26. a 2 Clav.
In sharp contrast with the introspective and passionate nature of the previous variation, this piece is another virtuosic two-part toccata, joyous and fast-paced. Underneath the rapid arabesques, this variation is basically a sarabande. Two time signatures are used, 18/16 for the incessant melody written in sixteenth notes and 3/4 for the accompaniment in quarter and eighth notes; during the last five bars, both hands play in 18/16.

Variatio 27. Canone alla Nona. a 2 Clav.
Variation 27 is the last canon of the piece, at the ninth and in 6/8 time. This is the only canon where two manuals are specified not due to hand-crossing difficulties, and the only pure canon of the work, because it does not have a bass line.

Variatio 28. a 2 Clav.
This variation is a two-part toccata in 3/4 time that employs a great deal of hand crossing. Trills are written out using thirty-second notes and are present in most of the bars. The piece begins with a pattern in which each hand successively picks out a melodic line while also playing trills..

Variatio 29. a 1 ô vero 2 Clav.
This variation consists mostly of heavy chords alternating with sections of brilliant arpeggios shared between the hands. It is in 3
4 time. A rather grand variation, it adds an air of resolution after the lofty brilliance of the previous variation. Glenn Gould states that variations 28 and 29 present the only case of "motivic collaboration or extension between successive variations."

Variatio 30. a 1 Clav. Quodlibet
The Quodlibet as it appears in the first edition
This quodlibet is based on multiple German folk songs, two of which are Ich bin solang nicht bei dir g'west, ruck her, ruck her ("I have so long been away from you, come closer, come closer") and Kraut und Rüben haben mich vertrieben, hätt mein' Mutter Fleisch gekocht, wär ich länger blieben ("Cabbage and turnips have driven me away, had my mother cooked meat, I'd have opted to stay"). The others have been forgotten.[13] The Kraut und Rüben theme, under the title of La Capricciosa, had previously been used by Dieterich Buxtehude for his thirty-two partite in G major, BuxWV 250.

Bach's biographer Forkel explains the Quodlibet by invoking a custom observed at Bach family reunions (Bach's relatives were almost all musicians):

"As soon as they were assembled a chorale was first struck up. From this devout beginning they proceeded to jokes which were frequently in strong contrast. That is, they then sang popular songs partly of comic and also partly of indecent content, all mixed together on the spur of the moment. ... This kind of improvised harmonizing they called a Quodlibet, and not only could laugh over it quite whole-heartedly themselves, but also aroused just as hearty and irresistible laughter in all who heard them."

Forkel's anecdote (which is likely to be true, given that he was able to interview Bach's sons), suggests fairly clearly that Bach meant the Quodlibet to be a joke.

Aria da Capo
A note for note repeat of the aria at the beginning.

Bach Keyboard Mastery II: Goldberg Variations, BWV 988

by Mika Pohjola
with Manuel Ignacio de Íñigo, The Mediant String Quartet

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