 In 1737 it became the (Evangelical Lutheran) Hofkirche (court church) of the Electorate of Saxony (not to be confused with the Roman Catholic Hofkirche the Elector began building at the same time).Between the years 1718 and 1720 famed pipe organ maker Gottfried Silbermann installed one of the only 50 organs he completed, known for their clear meantone temperament.Johann Sebastian Bach is known to have played concerts on the instrument in 1725 and 1747.