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قراءة كتاب A New Catalogue of Vulgar Errors
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title="{51}"/>Arts and Sciences, my Knowledge is vain if I am without the Virtue of Charity, and my Works will have no Force, and will in that Respect resemble the Cymbal, which, though it makes a tinkling, and plays the Notes, yet is destitute of the main Article Expression. For we must not suppose, that so refined a Scholar as St. Paul was, could have such a settled Contempt for the Science of Music, as to make Use of it even as a Simile for what is trifling. We may venture to think, that the Apostle alluded to that Want of Power in the Cymbal to move the Passions, which other Instruments have.
This is the very Case with the modern Harpsichord; it is very pretty, notwithstanding it's Imperfections, with Regard to the Change of Keys, (of which more in it's Place.) But no one can say, that it speaks to his Passions like those Instruments which have so immediate a Connection with the Finger of the Performer, as to sound just in the Manner which he directs.
In that Case the Powers are great; you have the Numbers of Graces which have Names to them, and the still greater Number which have none; you have the Staccato and the Slur, the Swell and the Smotzato, and the Sostenuto, and a great Variety of other Embellishments, which are as necessary as Light and Shade in Painting.
To convince the Reader of this, let him hear any Master play Handel's Song, Pious Orgies, pious Airs, upon the Organ or Harpsichord, and he will find, that, though it will appear to be Harmony, yet it will want that Meaning, and (not to make Use of the Word too often) Expression, which it is intended to have given it by the Word Sostenuto, which Mr. Handel has placed at the Beginning of the Symphony.
Now a fine Performer upon the Violin or Hautboy, with a Bass to accompany him, will give it that Sostenuto, even with
greater Strength than the human Voice itself, if possible.
I by no Means intend to debase that noble and solemn Instrument the Organ, nor the Wonders that are done upon it, nor the great Merit of the Performers who execute them, by what has been here said; only to discuss a little upon the Perfections and Imperfections of different Instruments, as the more the Imperfections of an Instrument are looked into, the more likely is the Ingenuity of Mechanics one Day or other to rectify them.
X.
That every different Key in Music ought to have a different Effect or Sound.
This is an Error which belongs chiefly to those who play a little upon the Harpsichord; it arises from the Imperfection of their Instrument. As a greater Number of Keys would be inconvenient to the Performer, they are obliged to make
one Note serve for another, such as B flat for A sharp, and many others, which necessarily renders some of the Keys imperfect. But we are not to take Notice of the Imperfection of any one Instrument, and regulate our Ear by that alone; we are to consider what is the real Scheme of Music, and what was the Intent of having different Keys introduced into Harmony.
It was intended for the Sake of Variety. When the Ear begins to be surfeited with too much of the Cantilenam eandem Canis, as Terence expresses it, then Contrivances are made, without infringing upon the Laws of Harmony, to have the Burthen of the Song upon a different Note; not that this Key is to differ from the former in it's Mensurations from one Note to another, unless it changes from a flat third Key to a sharp third, or vice versa. For notwithstanding all the different Sounds which an imperfect Instrument will give, in different Keys, there are in Reality but two Keys, viz. a flat third Key, and a sharp third Key; and however the
different Keys upon any particular Instrument may sound, we will venture to affirm, that any Piece of Music, let it be set in what Key it will, either is not true Composition, or is performed badly, if it does not sound smooth and harmonious.
For though we do agree, that Variety is grateful in this Case as well as in others, yet that Variety ought to be introduced with as little Inconvenience as possible. When we shift our Scenes, we should order the Carpenters to make as little Noise in the Execution of it as they can help, and take Care that the Pullies are all well oiled. For shall any Man entertain me, by making a most hideous jarring Discord before he begins what he intends to be Harmony? It is as absurd as for a Lady to take you half a dozen Boxes on the Ear, before she permits you to salute her, and then to tell you she only did it, that you might have a more lively Apprehension of the exquisite Happiness which her unparallelled Charms should very soon make you sensible of.
We may apprehend the Difference of perfect and imperfect Instruments, by listening to a Harpsichord, when any Music, where the Key changes often, is played, and to a fine Band, such as the Playhouse or the Opera. We shall find, in the latter, that the Composer has taken Care to make every Transition quite smooth and harmonious; and that tho' the Music be ever so cromatic, yet it never departs from it's melodious Effect. Whereas in an Organ or Harpsichord, even the greatest Performers cannot avoid a disagreeable Roughness in complicated Harmony. Nevertheless, as has been before observed, we must acknowledge the Organ to have Powers which other Instruments have not.
XI.
That a Piece of Music which has Flats set before it, is in a Flat Key on that Account, and vice versa with Sharps.
This is so well known to be an Error, by all those who have arrived at any
Proficiency in Music, that very little need be said about it; however, it is a very common Error.
A Key is not constituted flat or sharp, by having Flats or Sharps at the Beginning of the Piece of Music; but it depends upon the third Note upwards from that Note in which the Music is composed. For Instance, if the Piece is composed in D, and we find that F is natural, or only half a Note from E, then it is in a flat, or flat third, Key; if F is sharp, or a whole Note above E, then the Piece of Music is composed in a sharp third Key. But as there are so many Books extant about Thorough Bass, which give a full Account of this, it will be needless to say any more about it, only to mention it as an Error, among other Errors. The Reader shall not be tired any more with Music at present, but for Variety we will shift the Scene a little while.
XII.
That apparitions or Spectres do exist; or that the Ghosts of Men do appear at, before, or after their Deaths.
We would not be thought, in the following Discourse, to call in Question that great Miracle of our Saviour's rising again the third Day, and appearing to the Twelve: What shall be here said, will rather prove the Miracle to be the greater, and therefore more worthy the interfering Hand of Omnipotence.
But we must not suppose that the Supreme Being will condescend to pervert the Order of Nature for Individuals. The ancient Heathens had a true Notion of the Greatness of him, qui Templa Cœli summa sonitu concutit. Ter. Eun. And Horace observes,