There is also a special form of litany called a '''[[LitiyLitia]]''' (Greek: Λιτή/Litê; Slavonic: Литїѧ, ''Litiya'')<ref>Hapgood, Isabel F. (1922), Service Book of the Holy Orthodox-Catholic Apostolic Church (5th ed.), Englewood NJ: Antiochian Orthodox Christian Archdiocese (published 1975), pp. 13, 594</ref> which is chanted at [[All-Night Vigil]]s, consisting of several long petitions, mentioning the names of numerous saints, to which the choir responds with "Lord, have mercy," many times.