Psalm 146

Psalm 146 is the 146th psalm from the Book of Psalms.

Since the Middle Ages, this psalm was recited or sung during the vespers office on Thursday, according to the Rule of St. Benedict, fixed in 530 AD.

Given the current Liturgy of the Hours, Psalm 139 is recited Vespers, but also Wednesday's fourth semaine. In the liturgy of the Mass, it is played or sung for the feast of St. John the Baptist.

...
Wikipedia