Poland Active between 1928 and 1939. Formerly known as [b]Coro Argentino V. Dano[/b] and at first, their songs were sung in Spanish. Contributed to [url=http://pl.wikipedia.org/wiki/Qui_Pro_Quo]Qui Pro Quo[/url] until 1931 when it ceased to exist.
https://pl.wikipedia.org/wiki/Ch%C3%B3r_Dana
https://www.ipapolkas.com/blog/otw-portfolio/walter-dana-living-category-inducted-1971/