Bach is so supreme in his own line that contrapuntal music, so far as the pianoforte is concerned, may be dismissed with him. Händel, too, it is true, was a master of the contrapuntal school, but he belongs to the chapter on oratorio. Bach’s pianoforte works in smaller form are the “Two-Part Inventions” already mentioned; the “Three-Part Inventions,” which go a step farther in contrapuntal treatment, and the “Partitas,” the six “French Suites” and the six “English Suites.”
These partitas and suites are the most graceful and charming efflorescence of the contrapuntal school, and much could be accomplished toward making Bach a popular composer if they figured more frequently on recital programs. They are made up of the dance forms of the day—allemandes, courants, bourrées, sarabandes, minuets, gavottes, gigues, with airs thrown in for good measure; the partitas and English suites furnished with more elaborate introductions, while the French suites begin with allemandes. Cheerful and even frisky as 72 some of the dance pieces in these compositions are, it must not be supposed that they were intended to be danced to when contrapuntally treated—no more than Chopin intended that people should glide through a ballroom to the music of his waltzes.
Besides “sonatas” for pianoforte with one or more other instruments, among them the six “Sonatas for Pianoforte and Violin” (the term sonata as employed here must not be confused with the classical sonata form as developed by Haydn, Mozart and Beethoven), Bach composed concertos for from one to four pianofortes. Of these latter the one best known in this country is the so-called “Triple Concerto,” for three pianofortes with accompaniment of string quartet, which can at will be increased to a string orchestra. In 1873, during Rubinstein’s tour, I heard it played in New York, under Theodore Thomas’s direction, by Rubinstein, William Mason and Sebastian Bach Mills, and three years later by Mme. Annette Essipoff, Mr. Mason and Mr. Boscovitz. Mason, when he was studying under Liszt in Weimar in 1854, had performed it with two fellow-pupils, and Liszt had been very particular in regard to the manner in which they played the many embellishments (agréments) which were used in Bach’s time. Later, Mason found that whenever three pianists came together for the purpose of playing this concerto they were certain to disagree regarding “the agreements,” and usually wasted much time in discussing them, especially the mordent.
Rubinstein and the “Triple Concerto.”
Accordingly, when Mason played the “Triple Concerto” with Rubinstein and Mills, he came to the rehearsal armed with a book by Friedrich Wilhelm Marburg, published in Berlin in 1765, and giving written examples of all the agréments. “I told Rubinstein about my ancient authority,” says Mr. Mason in his entertaining “Memories of a Musical Life,” “adding that we should be spared the tediousness of a discussion as to the manner of playing.
“‘Let me see the old book,’ said Rubinstein. Running over the leaves he came to the illustrations of the mordent. The moment his eyes fell upon them he exclaimed: ‘All wrong; here is the way I play it!’” And that ended the usefulness of “the old book” for that particular occasion, the other two pianists adopting, without comment, Rubinstein’s method, which Mr. Mason intimates was incorrect.
When, at the rehearsal with Essipoff, the mordent came up for discussion she exclaimed: “‘I cannot play these things; show me how they are done.’ After repeated trials, however,” records Mr. Mason, “she failed to get the knack of playing them, as indeed so many pianists do; so at the rehearsal she omitted them and left their performance to Boscovitz and me.”
“The Well-Tempered Clavichord.”
Bach’s monumental work for pianoforte, however, is “The Well-Tempered Clavichord,” consisting of forty-eight preludes and fugues in all keys. I find much prevalent ignorance among amateurs regarding the 74 meaning of “well-tempered” as used in this title. I have heard people explain it by saying that when a pianist had mastered the book he was “tempered” like steel and ready for any difficulties that other music might present! I even have heard a rotund and affable person say that “The Well-Tempered Clavichord” was so entitled because when you listened to its preludes and fugues it smoothed out your temper and made you feel good-natured! In point of fact, the word is difficult to explain in untechnical language. It relates, however, to Bach’s method of tuning his clavichord—another boon which he conferred upon music. In general, the system may be explained by the statement that certain tone intervals, which theoretically are pure, practically result in harmonic discrepancies, which Bach’s “tempered” system corrected. In other words, slight and practically imperceptible inaccuracies are introduced in the tuning in order to counterbalance the greater faults which result when tuning is absolutely correct from a theoretical point of view; just as, in navigating the high northern waters, you are obliged to make allowance for variations of the compass. The system was not actually the invention of Bach, but he did so much to promote its adoption that it is associated with his name. Before it was adopted it was impossible to employ all the major and minor keys on clavichords and harpsichords, and on the pianofortes, just beginning to come into use. It became possible under the tempered system of tuning, and was illustrated by Bach in “The Well-Tempered Clavichord,” each major and minor key being represented by a prelude and fugue.