Listen to Liturgy for the Solemnity of Saint Benedict: Mass. Sequence. Laeta quies online. Liturgy for the Solemnity of Saint Benedict: Mass. Sequence. Laeta quies is an English language song and is sung by Monastic Choir of the Solemnity of Saint Benedict and Stefano Concordia. Liturgy for the Solemnity of Saint Benedict: Mass. Sequence. Laeta quies, from the album Vir Dei Benedictus, was released in the year 1999. The duration of the song is 2:19. Download English songs online from JioSaavn.