Dr. Burney now, in the intervals of his varied, but never-ceasing occupations, gently, yet gaily, enjoyed their fruits. All classes of authors offered to him their services, or opened to him their stores. The first musical performers then in vogue, Millico, Giardini, Fischer, Cervetto, Crosdill, Barthelemon, Dupont, Celestini, Parke, Corri, the blind M............