Detailed biography: wikipedia (German is the most informative)
Miscellaneous information
From 1815 to 1828 Superintendent general of the Prussian royal theatres (Generalintendant der Schauspiele und der Museen in Berlin). Notable premieres include Weber's Der Freischütz in 1821.
From 1809 to 1837 member of Sing-Akademie zu Berlin.
Co-creator of Seifersdorfer Tal, a park by the family seat Schloss Seifersdorf near Dresden, which was started by his mother Christina von Brühl (1756–1816) in 1781