[85] Compare with p. [52] of this book.
[86] His name was written in various ways—viz., Bertaut, Bertault, Bertaud, and Berthaud. The above is the right way.
[87] Franciscello must accordingly have written for the cello.
[88] The “Concert Spirituel,” which was the oldest concert institution of the French capital, was founded in the year 1725.
[89] Compare pp. [77] and [83] of this book.
[90] Fétis says 1788. The title-page, however, of this Sonata bears the date 1787, by the engraver’s own hand.
[91] This must not be taken word for word, for Corrette, in his violoncello school, gives directions with regard to double stopping, though very insufficient.
[92] See pp. [51] and [54] this book.
[93] Fétis says that Aubert published “deux méthodes de violoncelle,” but immediately after speaks of one “livre élémentaire” of the same author, so that it may easily be concluded the first assertion was an error.
[94] Fétis says from the elder Duport. This is, however, impossible as he had already settled in Berlin, in 1773, from which place he did not again absent himself.