Sextet was by the Polish composer who has completed how many operas?
Sextet (Penderecki) The Sextet is a two-movement composition for clarinet, horn, violin, viola, cello, and piano by Polish composer Krzysztof Penderecki. The composition was written in 2000 and is, according to some critics, the composer's most substantial chamber work to date.
Franciszek Lilius Franciszek (Franciscus) Lilius (ca. 1600 – 1657) was a Polish composer, a descendant of the Italian Giglis family. He significantly contributed to the musical culture of Warsaw in the 17th century. In 1630, he moved to Kraków, where he remained head of the cathedral orchestra until his death.