Giulio Romolo Caccini: a composer of monody and solo song

Giulio Romolo Caccini, also known as Giulio Romano, was born on the 8th of October 1551 to the carpenter Michelangelo Caccini and his wife, whose name is not known.  His elder brother was the Florentine sculptor Giovanni Caccini.  What was important about this man? Thanks to his outstanding musical talent,...