Page 2, "Giques" changed to "Gigues". ('Pieces de Clavecin, en deux Volumes, consistant des Ouvertures, Preludes, Fugues, Allemandes, Courentes, Sarabandes, Gigues et Aires, composees par J. Mattheson, Secr.--London, printed for J. D. Fletcher.') Page 6, "I I" changed to "I". (I am sure if he reads this he will laugh in his sleeve, for outwardly he seldom laughs.) Page 58, "Quartett for 2 Violins, 2 Tenors, and Violoncello". Although the instruments described constitute a quintett, this is how it appears in the original. Page 132, "unusally" changed to "unusually". (There remained now nothing for him to do but to take up his jacket and make the best of his way home. But the jacket felt so unusually heavy;) Page 141, "ecstacy" changed to "ecstasy". (After he had been a while in this state of reflection, he heard heavenly strains of music, and on looking up he saw a little bird which sang with a voice so enchantingly melodious that he arose in ecstasy. Page 151, "semicircle" changed to "semi-circle" for consistency. (Sometimes they form a semi-circle, assume a bending position, and sing in a subdued tone of voice a soft air;) Page 158, "Odeinna" changed to "Oodeinna" for consistency. (The following scenes are from a drama commemorating an episode from the life of Oodeinna, King of Kauthambi, a country in India.) Page 174, "develope" changed to "develop". (The Netherlandish masters institute Schools in Italy and develop the art of music with great success in that country.) Page 185, "Trojan" changed to "Trajan". (Trajan, Roman Emperor (98).) Page 204, "Christofali" changed to "Christofori". (About this time, the first Pianofortes were constructed by Christofori, in Italy, and by Schroeter, in Germany.) Page 206, "harpischord" changed to "harpsichord". (many compositions for the organ, clavichord, clavicembalo (harpsichord), and for the orchestra.) Page 219, "Manheim" changed to "Mannheim". (Weber (Bernhard Anselm), born 1766 at Mannheim, died 1821.) Footnote 15, "Crysander" changed to "Chrysander" for consistency. (See G. F. Haendel, von F. Chrysander, Leipzig, 1858, Vol. I., p. 139.)