“How did exemptions become the rule?

What did Vatican II actually say about Latin and Gregorian chant? The Council called for Latin to be preserved in the liturgy and gave Gregorian chant “pride of place” – so how did both largely disappear from ordinary parish life?

Raymond Arroyo, Fr. Gerald Murray and Robert Royal examine what the Council prescribed, what changed after Vatican II, and how those changes reshaped the Catholic Mass.”