sentences:  This musical form was one of the predecessors of opera.In the realm of sacred music, the desire of the Medici for opulence was no less.Instead of decorating plays with madrigals interspersed between the acts, however, the Medici's court composer – who was Striggio by the 1560s – chose to create works for larger groups of voices than had been attempted before, and to accompany these already massive vocal forces with instruments.