Analysis of information sources in references of the Wikipedia article "Jan Křtitel Kuchař" in English language version.
And Mozart, in Act II of Don Giovanni, wrote a part full of sixtolet runs, broken chords, and arpeggios for the Don's canzonetta; he knew that this would require a very proficient player, and he also knew that such a man would be at his disposal in Prague, where Don Giovanni was first produced (1787). This was Johann Baptist Kucharz
