Jacek Hyancithus Różycki (born around 1635 in Łęczyca, died 1703/1704 (precise date unknown) in Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

) was a Polish

Poles

thumb|right|180px|The state flag of [[Poland]] as used by Polish government and diplomatic authoritiesThe Polish people, or Poles , are a nation indigenous to Poland. They are united by the Polish language, which belongs to the historical Lechitic subgroup of West Slavic languages of Central Europe...

 composer

Composer

A composer is a person who creates music, either by musical notation or oral tradition, for interpretation and performance, or through direct manipulation of sonic material through electronic media...

 of Baroque

Baroque

The Baroque is a period and the style that used exaggerated motion and clear, easily interpreted detail to produce drama, tension, exuberance, and grandeur in sculpture, painting, literature, dance, and music...

 music. He began his musical career in the court orchestra of Władysław IV. Eventually he took over the function of the director (Kapellmeister

Kapellmeister

Kapellmeister is a German word designating a person in charge of music-making. The word is a compound, consisting of the roots Kapelle and Meister . The words Kapelle and Meister derive from the Latin: capella and magister...

) of the court musical ensemble. Uniquely, he ended up serving that function at the court of four different Polish monarchs; Władysław, Michał Korybut Wiśniowiecki, Jan III Sobieski, and August II. As a royal compositor he also held the office of royal secretary.

His most famous works include: Magnificat, Confiteor, and Magnificemus in cantico.