Joseph Moskowitz born in Romania. He was an American cimbalom player, and a recording artist in New York City during the first half of the twentieth century. He was a descendant of a family of klezmer musicians and was among the most well-known American cimbalom players of his time. He had a wide repertoire which included not only Jewish music but also Romanian, classical, and ragtime music.
Full biography in Wikipedia.
For a list of his recordings see at the musical archive in the National Library of Jerusalem,
For his recordings see "Joseph Moskowitz" in YouTube.