61. After the First Reading comes the responsorial Psalm, which is an integral part of the Liturgy of the Word and holds great liturgical and pastoral importance, because it fosters meditation on the word of God.
The responsorial Psalm should correspond to each reading and should, as a rule, be taken from the Lectionary.
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The following may also be sung in place of the Psalm assigned in the Lectionary: either the responsorial gradual from the Graduale Romanum, or the responsorial Psalm or the Alleluia Psalm from the Graduale Simplex, in the form described in these books.
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