=Joseph Guarnerius=.—In our study of the piano we noted how the small, weak tone of the clavichord and harpsichord gave way before the fuller toned, sonorous pianoforte, which, with its greater possibilities, came into use at a time when composers were seeking for means to give increased breadth and power to the reproduction of their music. It would have been unfortunate for instrumental music if the small though sweet tone of the Amati violin had been accepted as the ideal. We could not have had the surging tumult of Beethoven’s “Eroica” symphony, the great dramatic pictures of Wagner with the Amati to lay on the colors. More tone, more sonorousness, more virile singing was needed. One of the men to place in the hands of executants the instrument to work out the conceptions of the great composers was =Giuseppe Guarneri= or, as he is generally called, Joseph Guarnerius del Gesu. He was born at Cremona, 1683, and belonged to a family of lute and violin makers. He has been credited with having been a pupil of Stradivari, yet his instruments show no trace of that maker’s influence. He seems to have been impressed with the tone-producing qualities of the di Salo violins, for his best instruments have something of their bold, vigorous style. He was an experimenter, ever seeking, it would seem, for the means of producing big, sonorous tone, and changed his model frequently, for which reason his instruments vary much in value. His work was not so highly favored by connoisseurs until Paganini showed the value of a Guarnerius from the standpoint of tone. His best instruments are now greatly admired and, because so few in good condition are known, command a high price. The date of Guarnerius’ death is not known. Others of the Guarnerius family who lived and worked at Cremona were Andreas Guarnerius, uncle to Giuseppe, his son also called Joseph and known as “_filius Andreæ_” (Son of Andreas) to distinguish him from his cousin, Joseph del Gesu, another son Peter, “of Cremona,” and a son of Joseph _filius Andreæ_, known as Peter of Venice.