Palestrina's Missa Papae Marcelli (Mass for Pope Marcellus) was performed before the council and received such a welcoming reception among the delegates that they completely changed their minds and allowed polyphony to stay in use in the musical liturgy.
Missa Papae Marcelli (Misa untuk Paus Marsellus) karya Palestrina dibawakan di hadapan Konsili dan menerima sambutan hangat di antara para delegasi sehingga mereka benar-benar berubah pikiran dan memperbolehkan polifoni untuk tetap digunakan dalam liturgi musikal.