(b S. Maria a Monte, c.1520; d Florence, 1591).
It. composer and lutenist. Associate of members of Bardi's Camerata from which first opera perfs. developed. Pubd. 2 books of madrigals and one of lute pieces. Also mus. theorist: author of Dialogo della musica antica e della moderna (1581). His Il fronimo (1568, rev. 1584) is a valuable treatise on lute‐playing. His son Galileo Galilei was the great astronomer.