129. The Kyrie is "ordinarily prayed by all, that is, alternately by the congregation and the choir or cantor" (IG 52). The acclamations may be repeated twice or more, and when sung as part of the penitential act, a trope may be inserted before each acclamation (IG 52).
130. For Mass with only one minister, without a congregation, the priest says the Kyrie "in keeping with the rubrics" (IG 258).
131. For Mass with the Liturgy of the Hours, the Kyrie is optional (GILH 94 - 96).
132. For Mass with Children, the Kyrie was optional, in DMC 40. However this seems to have been reversed by IG 52: "Then the Kyrie always begins ...".
Copyright J.R. Lilburne, 18 March 2002. Last updated 15 April 2002.