Cremona began in the 16th century .
Cremona became renowned as a centre of musical instrument manufacture , with the violins of the Amati and Rugeri families , and later the products of the Guarneri and Stradivari shops .
Beginning in the 16th century , Cremona became renowned as a centre of musical instrument manufacture , with the violins of the Amati and Rugeri families , and later the products of the Guarneri and Stradivari shops .