The responsorial psalm, also called the gradual, has great liturgical and pastoral significance because it is an "integral part of the liturgy of the word." (General Introduction to the Lectionary, 19)
In responsorial singing, which, as far as possible, is to be given preference, the psalmist, or cantor of the psalm, sings the psalm verse and the whole congregation joins in by singing the response. (GIL, 20)
the responsorial Psalm should correspond to each reading and should, as a rule, be taken from the Lectionary. (GIRM, 61)
104. It is fitting that there be a cantor or a choir director to direct and support the people’s singing. Indeed, when there is no choir, it is up to the cantor to direct the different chants, with the people taking the part proper to them.
if the “cantor” is just singing the congregation’s part, why the need to rehearse? ... If no rehearsal, then why bother with the cantor at all?
When you take these two “problem children” out, then you arrive at a much more musically gainful position where the best singers will join the choir, which will facilitate a strong choral program. With no amplification, you force yourself to plan congregational music conservatively: stuff that’s written well for congregations and that they likely know already.
… the cantor leads the refrain, but also sings the verses. … And what rehearsal are you talking about?
Serving as cantor for the propers of the mass doesn't preclude being a member of the choir.
Also, I'm having trouble seeing the connection between a programming 'conservative' … congregational music and the responsorial psalm.
Let me ask you, though: at Masses without a choir, is there still an organist? What would happen if you weren’t there? Don’t you think the congregation could still “Happy Birthday” their way through the Ordinary and hymns given instrumental accompaniment—especially as this is the practice in other Western Christian ritual traditions?
Maybe the most “sticking” question is: why is it only Roman Rite Catholics who have the songleaders? (It surely is not because we have the best congregational singing!)
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