DESCRIPTION:
two bass viols

Il Primo Libro a due voci de diversi autori

http://en.wikipedia.org/wiki/Nicolas_Gombert

http://wall.alphacoders.com/by_sub_category.php?id=180609

ernst stolz

http://www.ernststolz.com
https://www.facebook.com/ernst.stolz
https://twitter.com/ernststolz