Another good sign of the improving taste was a series of twenty-four matinees given on Sundays from twelve to two during the winter of 1818-1819 by Carl Arnold, and much patronised by the highest nobility.

The concert-giver, a clever pianist and composer, who enjoyed in his day a good reputation in Germany, Russia, and Poland, produced at every matinee a new pianoforte concerto by one of the best composers--sometimes one of his own--and was assisted by the quartet party of Bielawski, a good violinist, leader in the orchestra, and professor at the Conservatorium.
Although Arnold's stay was not of long duration, his departure did not leave the town without good pianists.

Indeed, it is a mistake to suppose that Warsaw was badly off with regard to musicians.

This will be evident to the reader as soon as I have named some of those living there in the time of Chopin.

Wenzel W.Wurfel, one of the professors at the Conservatorium, who stayed in Warsaw from 1815 to 1824, and afterwards went to Vienna, where he became conductor at the Karnthnerthor Theater, was an esteemed pianist and composer, and frequently gave concerts, at one of which he played Field's Concerto in C.
[FOOTNOTE: Wenzel Wilhelm Wurfel, in most dictionaries called Wilhelm Wurfel (exceptions are: E.Bernsdorf's "Neues Universal-Lexikon der Tonkunst", and Dr.Hugo Riemann's "Opern-Handbuch").