MAASS, (Johann Gebhard Ehrenreich) magistrate, and (since 1791) professor of philosophy at Halle, was born in Krottorf, near Halberstadt, in 1766. He has, besides several other works, written the following: “Ueber die Instrumental Musik, (in der Neuen Bibl, des schün Wissensch) B. 48,” 1792. “Zusatz zu dem Artik Accent, im Sulzer, in Hinsicht auf die Musik,” i.e. “Appendix to Sulzer's article Accent, as relates to Music.” In the Nachträg zu Sulzer Theor der sch. W., Maass has also written a paper, under the title “Charaktere der vornehmsten Dichter aller Nat. von einer Gesellsch v. Gel.” i. e. “Character of the principal Poets of all Nations, by a Society of learned Men.” In this paper, he answers to a question proposed, “By what means can the oratorical and pathetic accents be expressed in music?”

MACARI, (Giacomo) a Roman dramatic composer, produced the following operas: “Adaloaldo furioso,” 1727. “Aristide,” 1735. “Ottaviano trionfante di Marco Antonio,” 1735. “La Contessina,” 1743.

MACCHI, (G.) an Italian dramatic composer, resident at Venice about the year 1750.

MACDONALD, (Phelps.) This gentleman is of Irish extraction, and under the name of Phelps was highly celebrated in London, in the early years of the present century, as an amateur singer and vocal composer. He subsequently held the situation of private secretary to lord Burghersh, British ambassador at Florence.