Question

after the opening phrase is sung by one person, other voices enter and sing together. what describes the relationship among the voices (the texture)? palestrina, gloria, from pope marcellus mass 0:38 the highest voice sings the melody and the others harmonize with it, predominantly moving at the same time. all voices sing one melody at the same time. a few voices introduce a melody and the other voices imitate it, entering at different times.

Explanation:

In music, when one - person starts and others enter and sing together, often a few voices introduce a melody and others imitate it entering at different times. This is a characteristic of imitative polyphony. The first option describes homophonic texture where one voice has the melody and others harmonize. The second option describes monophonic texture where all sing the same melody simultaneously. The third option is consistent with the description of imitative polyphony which is common in choral works like Palestrina's Gloria.

Answer:

A few voices introduce a melody and the other voices imitate it, entering at different times.