Luca Marenzio
He had his early education in Brescia possibly in Mantua.  Then he moved to Rome, where he worked as a singer for Cardinal Cristoforo Madruzzo.  After the cardinal's death he worked at the court of Cardinal Luigi d'Este.  Here he started to become known as a composer.  By 1581 his music had become extremely popular.  His books of madrigals were often reprinted.  His madrigals were often included in published collections.