As witnessed by the English conductor Sir George Thomas Smart, who visited Beethoven's home in Vienna in 1825, Sedlatzek was a member of Beethoven's inner circle, which included, according to Sir Smart's letters, such notable musicians as Czerny, Lincke, Schlesinger, and Schuppanzigh [REF].
Beethoven's visit to Silesia in 1806 is celebrated annually with the Silesian Beethoven Music Festival held each autumn in Glogowek, Poland.