Here a word may be said on Brahms' indebtedness to the actual melody of previous musicians. It is indisputable that in his work we sometimes find phrases, and very rarely complete strains, which recall Beethoven, or Schubert, or Schumann. But, in the first place, there is seldom or never any case of direct quotation, the outline of an idea is borrowed and filled with a new content; and in the second place, a charge of plagiarism is only serious if it implies poverty of invention. That one man may steal a horse while another may not look over the hedge, is, if considered aright, the highest embodiment of abstract justice: the thief may be your personal friend, in whose honesty of intention you have every reason to confide, the face at the field-edge may wear a hang-dog look which fills you with not unnatural apprehension. And seriously, it is idle to suppose that Brahms adopted these passages--half-a-score, perhaps, in a list of a hundred and twenty elaborate compositions--because he felt that his own supply was running short, and that it must needs be supplemented by a raid over the border. Plagiarism means either the appropriation of an entire work, or the embellishment of a poor texture with some patch of purple that does not belong to the artist. It has nothing whatever to do with these casual and unimportant reminiscences.
There are one or two matters of detail in Brahms' melody which it may be worth while to notice. In the first place, it is conspicuously diatonic, founded for the most part on the ordinary notes of the simplest scale, and so indued with a robustness and a virility which is wanting to the progression by semitones. Besides, he is thus enabled to keep his chromatic effects in reserve, either for purposes of remote modulation, as in the Æolsharfe, or for marking an emotional crisis, as in the slow movement of the Horn Trio, or the close of the stanza in Feldeinsamkeit. Against this, no doubt, may be set his use of the flattened sixth, which is so frequent as to be almost a mannerism, but it will be observed that this appears more often in the harmonisation of the melody than in its actual statement. It is a point of colour, not a point of drawing.