This section is somewhat long, yet it still has their full attention. He says the text for them, they sing it. Continues this process. They listen to the next section. Three parts-Tenor, Baritone, and Bass sing.
Altos just sing alto.
It goes back to chant after m.24. Mrs. LeMay went to the phone. Mr. Boyter is now at the piano with them as they sing the chant. Be ready ladies. Read slow guys.