2 ([return])
[ Cf. L. v. Köchel's Die Pflege der Musik am österr. Hofe vom Schlusse des 15, bis zur Mitte des 18. Jahrh. Wien, 1866.]
3 ([return])
[ Apostolo Zeno, Lettere III., p. 447. Oehler's Gesch. des Theaterwesens zu Wien, II., p. 4.]
4 ([return])
[ In the year 1735 the Archduchess again appeared in an opera on the Empress's birthday. Metastasio, who wrote it, and rehearsed it with her, is enthusiastic in his praises of her grace and cleverness (Opp. post., I., p. 175).]
5 ([return])
[ Burney, Reise, II., p. 186.]
6 ([return])
[ Metastasio's Opp. post., I., p. 401.]