Johann Christoph Kellner (1736-1803), Jesu meine Zuversicht. Sheet music can be found in Incognita Organo Volume 18, editor Ewald Kooiman. More pieces of Kellner can be found in my playlist: https://www.youtube.com/playlist?list=PLNFZTCpjQ59UConkh9qnDbG-RFU7cGio3
Played on Sonarte organ with Hauptwerk, 2007, Tomaš Močnik, church of our Lady in Adergas , Velesovo, Slovenia