has a direct effect upon the hearer; both phrases have one solution:--

and the shrill agitated one--[See Page Images]

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The manner in which they are opposed to each other, and the devices by which their opposition is thrown into strong relief, are of unusual, but by no means unjustifiable, harshness. But the goal is not reached by one bound; no sooner does serenity seem to be attained than the recurrence of the b draws the clouds together again, and peace and the power of breathing and moving freely are only won by slow and painful degrees.[14]

Any difference of opinion as to this work at the present day can only exist with regard to minor details, and it will scarcely now be asserted by any one that "a piece may be recognised as Mozart's by its rapid succession of daring transitions."[15] We are accustomed to take our standard from Beethoven, and it seems to us almost incredible that a contemporary of Mozart's, the Stuttgart Hofmusicus, Schaul (who acknowledged, it is true, that he belonged to a time when nothing was heard but Italian operas and musicians), should exclaim:[16]--

What a gulf between a Mozart and a Boccherini! The former leads us over rugged rocks on to a waste, sparsely strewn with flowers; the latter through smiling country, flowery meadows, and by the side of rippling streams.

Apart from all differences of opinion or analogies with other works, it may safely be asserted that these quartets are the clear and perfect expression of Mozart's nature; nothing less is to be expected from a work upon which he put forth all his powers in order to accomplish something that would redound to his master Haydn's honour as well as his own. The form had already, in all its essential points, been determined by Haydn; it is the sonata form, already described, with the addition of the minuet--in this application a creation of Haydn's. Mozart appropriated these main

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features, without feeling it incumbent on him even to alter them. Following a deeply rooted impulse of his nature, he renounced the light and fanciful style in which Haydn had treated them, seized upon their legitimate points, and gave a firmer and more delicate construction to the whole fabric. To say of Mozart's quartets in their general features that, in comparison with Haydn's, they are of deeper and fuller expression, more refined beauty, and broader conception of form,[17] is only to distinguish these as Mozart's individual characteristics, in contrast with Haydn's inexhaustible fund of original and humorous productive power. Any summary comparison of the two masters must result in undue depreciation of one or the other, for nothing but a detailed examination would do full justice to them both and explain their admiration of each other. Two circumstances must not be left out of account. Mozart's quartets are few in number compared with the long list of Haydn's. Every point that is of interest in Mozart may be paralleled in Haydn; hence it follows that certain peculiarities found in Haydn's music are predominating elements in Mozart's. Again, Haydn was a much older man, and is therefore usually regarded as Mozart's predecessor; but the compositions on which his fame chiefly rests belong for the most part to the period of Mozart's activity in Vienna, and were not without important influence on the latter. This mutual reaction, so generously acknowledged by both musicians, must be taken into account in forming a judgment upon them.

The string quartet offers the most favourable conditions for the development of instrumental music, both as to expression and technical construction, giving free play to the composer in every direction, provided only that he keep within the limits imposed by the nature of his art. Each of the four combined instruments is capable of the greatest variety of melodic construction; they have the advantage over the piano in their power of sustaining the vibrations of the notes, so as to produce song-like effects; nor are they inferior

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in their power of rapid movement. Their union enables them to fulfil the demands of complete harmonies, and to compensate by increase of freedom and fulness for the advantages which the pianoforte possesses as a solo instrument. The quartet is therefore particularly well adapted both for the polyphonic and the homophonie style of composition. The varieties of tone of the instruments among each other, and of each in different keys, further increases their capacity for expression, the nuances of tone-colouring appearing to belong to the nature of stringed instruments. Thus the material sound elements of the string quartet are singularly uniform, at the same time that they allow free scope to the individual movement of the component parts. The beginning of the andante of the E flat major quartet (428 K.) will suffice to show how entirely different an effect is given by a mere difference in the position of the parts. The value which Mozart set upon the uniformity of the naturally beautiful sound effects of stringed instruments may be inferred from the fact that he seldom attempted interference with it as a device for pleasing the ear. Pizzicato passages occur only three times--in the trio of the D minor quartet (421 K.), of the C major quintet (515 K.), and of the clarinet quintet (581 K.)--and each time as the gentlest form of accompaniment to a tender melody. He was not prone either to emphasise bass passages by pizzicato, and has done so only in the second adagio of the G minor quintet (516 K.) and in the first movement of the horn quintet (407 K.). Nor is the muting, formerly so frequent, made use of except in the first adagio of the G minor quartet and in the larghetto of the clarinet quintet. It need scarcely be said that an equal amount of technical execution and musical proficiency was presupposed in each of the performers. This is especially noticeable in the treatment of the violoncello. It is not only put on a level with the other instruments as to execution, but its many-sided character receives due recognition, and it is raised from the limited sphere of a bass part into one of complete independence.

The favourite comparison of the quartet with a conversation between four intellectual persons holds good in some

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degree, if it is kept in mind that the intellectual participation and sympathy of the interlocutors, although not necessarily languishing in conversation, are only audibly expressed by turns, whereas the musical embodiment of ideas must be continuous and simultaneous. The comparison is intended to illustrate the essential point that every component part of the quartet stands out independently, according to its character, but so diffidently that all co-operate to produce a whole which is never at any moment out of view; an effect so massive as to absorb altogether the individual parts would be as much out of place as the undue emphasising of any one part and the subordination of the others to it. The object to be kept continually in view is the blending of the homophonie or melodious, and the polyphonic or formal elements of composition to form a new and living creation. Neither is neglected; but neither is allowed to assert itself too prominently. Even when a melody is delivered by one instrument alone, the others do not readily confine themselves to a merely harmonic accompaniment, but preserve their independence of movement. Infallible signs of a master-hand are visible in the free and ingenious adaptation of the bass and the middle parts to the melodies; and, as a rule, the characteristic disposition of the parts gives occasion for a host of interesting harmonic details. The severer forms of counterpoint only appear in exceptional cases, such as the last movement of the first quartet, in G major (387 K.). The intention is not to work out a subject in a given form, but to play freely with it, presenting it from various interesting points of view by means of combinations, analysis, construction, and connection with fresh contrasting elements. But since this free play can only be accepted as artistic by virtue of the internal coherency of its component parts, it follows that the same laws which govern strict forms must lie at the root of the freer construction. In the same way a conversation--even though severe logical disputation may be studiously avoided--adheres to the laws of logic while letting fall here a main proposition, there a subordinate idea, and connecting apparent incongruities by means of association of ideas. A similar freedom in the grouping and

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development of the different subjects exists in the quartet, limited only by the unity of artistic conception, and by the main principles of rhythmic and harmonic structure, and of the forms of counterpoint. This is most observable when an apparently unimportant phrase is taken up, and by its interesting development formed into an essential element of the whole, as in the first movement of the third quartet, in B flat major (458 K.), where a figure--[See Page Image]