As madrigals in the renaissance became more popular, the cantus firmus remained in latin, but the parts above were

A vernacular language

Explanation:

Madrigals, in essence, its a profane composition. Emerged in the Renaissance, it gains strength in the Baroque period. The idea to write in the vernacular language (the common language), it was to find echoes in the population, not only among the elite member but especially to reach the ordinary people.

answer; /// slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final