Jan Nasco
Born: 1510
Died: 1561, Treviso, Italy
Nationality: Belgian
Jan Nasco (also Giovanni, Jhan) was a Franco-Flemish composer and writer on music, mainly active in Italy. He was the first director of the Veronese Accademia Filarmonica, and his writings, particularly a group of letters he wrote to the academy in the 1550s, are important sources of information on performance practice regarding the use of instruments in madrigals as well as motets.
Read more at https://en.wikipedia.org/wiki/Jan_Nasco
