Johann Ernst Altenburg (1734 - 1801) Allemagne Johann Ernst Altenburg (15 June 1734 – 14 May 1801) was a German composer, organist and trumpeter. He is not to be confused with a similarly named composer in the 1620s who contributed to the collection Angst der Hellen und Friede der Seelen. Source : Wikipedia
Free sheet music of Johann Ernst Altenburg - OC Times