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.
Grzegorz Gerwazy Gorczycki Grzegorz Gerwazy Gorczycki (ca. 1665 to 1667 – 30 April 1734) was a Polish Baroque composer. During his lifetime he was called the "Polish Handel".