This document discusses the role of Polish Jesuits in music during Poland's Golden Age from the 15th to mid-17th centuries. It profiles several famous Polish Jesuit composers who helped develop Polish culture and music, including Jan Brant, Adam Makowski, Marcin Laterna, Jacek Rajewicz, Wojciech Tylkowski, Florian Grabowski, Jozef Romankiewicz, and Jacek Szczurowski. These composers wrote sacred songs and anthems and helped fill churches built in the Baroque style with musical works that were an important part of evangelization efforts. In 2006, almost 5,000 manuscripts of compositions created during Indian missions in Bolivia and Par