times had long lain dormant until it was revived in the Birnbaum and Artscroll siddurim in the 20th century. Psalm 130 is one of the 15 Songs of Ascents recited after the Shabbat afternoon prayer in the period between Sukkot and Shabbat HaGadol (the Shabbat prior to Passover). In some congregations, it is said on every weekday. In Hebrew, it is often referred to as "Shir HaMa'alot MiMa'amakim" after its opening words. It is recited during the Tashlikh prayer. It is one of the psalms traditionally recited "in times of communal distress". Verses 3-4 are part of the opening paragraph of the long Tachanun recited on Mondays and Thursdays. Catholic Church Ordinary use According to the Rule of Saint Benedict established around 530, the psalm was used at the beginning of the vespers service on Tuesday, followed by Psalm 131 (130). Psalm 130 came to be associated with the seven penitential psalms which were recited after the hour of Lauds on Fridays in Lent in the medieval Christendom. In the current Liturgy of the Hours, the psalm is recited or sung at vespers on the Saturday of the fourth week of the four-weekly cycle of liturgical prayers, and on Wednesday evenings. In the Liturgy of the Mass, Psalm 130 is read on the 10th Sunday of Ordinary Time in Year B, on the 5th Sunday of Lent in Year A, and on the Tuesday in the 27th Week in Ordinary Time on weekday cycle I. It is also used as the entrance antiphon on the 28th Sunday in Ordinary Time. Bell prayer Requiem Mass and the prayer for the dead The De Profundis bell is a slow, solemn and measured toll of the bell that marks the end of the day. In 1610, Pope Paul V established the custom of ringing the De Profundis bell on All Saints' Day. Pope Clement XII encouraged Christians through his brief Caelestes Ecclesiae thesauros promulgated on August 14, 1736, to pray daily for the souls in Purgatory inviting all to kneel at the first hour of nightfall and devoutly recite Psalm 130 with a Requiem aeternam at the end of it. Pope Pius VI by a rescript of Mach 18, 1781, granted an equal indulgence to those who should pray the De Profundis in any place where no bell for the dead is sounded. The Catholic tradition became that the De profundis and the