Having set forth our claims to the attention of those to whom we address ourselves, we shall now rapidly trace the outline of the singularly eventful career of Countess Rossi. The interest its moving incidents, so singularly varied, have always inspired, are now increased tenfold by new features, totally unparalleled in the history of the lyrical stage. To behold this distinguished lady return to the stage, after enjoying undisturbed for many years, and in the most exalted rank, the love and esteem of the greatest personages of Europe, is a truly singular and affecting event; but to behold her return, after this lapse of time, with all her powers not only unimpaired, but improved by taste, study, and observation, is an event without an example. If, to take the exact measure of this phenomenon by comparison, we turn to the very few who were her contemporaries on the stage, what do we behold? If asked how so extraordinary a fact happens to exist, those who have had the good fortune to know the Countess Rossi will readily explain it. The first reason and first cause are, that this lady possesses a remarkably well regulated mind--gentle in all things, ever resigned, and possessed of unruffled patience; and her feelings, controlled by the most virtuous sense of right, have never been agitated by those passions which most of all beset stages and courts, and are the most insidious and dangerous assailants of those who are the constant objects of adoration. To these might be added other aiding causes, but of no little potency. For the sake of brevity, we shall only mention two: the first is, that the Countess Rossi's voice is a pure and perfect soprano, of the highest register, from the first settlement of her voices--it is "to the manner born." Thus she has never been compelled to superadd to her studies of vocal science those efforts by which most of the greatest vocalists have been obliged to transmute their contralto or mezzo soprano tones, to polish their guttural or husky tones, and--almost all of them--extend artificially their register. On the other hand, during her long secession from the stage, the love of musical art has always remained predominant, and its science been constantly cultivated, without the necessity of taxing her powers, without the exhausting exertions of other singers; whilst her style of singing is that of the high classical Italian school, the only one that nurses the voice, whilst it displays all its melodic power. Had not the Countess Rossi yielded up the German school--had she not resorted to the Italian school to modify her singing--as her great countryman Mozart did, to modify the form his inspirations assumed--her voice would no doubt have been injured, and she would have lost that marvellous power of overflowing richness of embellishment, requiring purity of tone, agility, and elegance, in which she is unquestionably unrivalled.