59 ([return])
[ Hasse declared that six months were necessary for a good opera (Man-fredini reg. armon., p. 134), that was plenty of time; Naumann writes, that in Venice an opera had to be written, learnt, and produced within a month.]
60 ([return])
[ Metastasio, Opp. post., III., pp. 116, 164.]
61 ([return])
[ Orelli, Beitr. z. Gesch. der Ital. Poesie, II., p. 3.]
62 ([return])
[ Carpani, Le Haydine, p. 83. Kandler, Cenni int. alia vita del G. A. Hasse, p. 27: "Questo ragazzo ci farà dimenticar tutti">[
63 ([return])
[ Marpurg, Krit. Beitr., I., p. 227.]