"1804-05-19Z"^^ . . "1728-03-21Z"^^ . "David Tannenberg (1728\u20131804) was a Moravian organ builder who emigrated to Pennsylvania. He is cited as the most important American organ-builder of his time. He constructed a number of organs during his lifetime, as well as other keyboard instruments. Many of the organs that he built are still in use."@en . "David Tannenberg"@en . "1804Z"^^ . . . . . "1728Z"^^ .