The Monk Clement the Writer of Churchly Song was hegumen of the Studite monastery after Saint Nicholas (+ 868, Comm. 4 February). Known as a zealous defender of Christianity, the confessor of icon-veneration also composed Canons of the Mother of God and to certain of the Saints, – in particular troparia to the Mother of God, Canons of the Seven Youths of Ephesus (Comm. 4 August), the Prophet and God-Seer Moses (Comm. 4 September), the Archangels (Comm. 8 November), and the Sunday before the Nativity of Christ.