Music for the Requiem Mass of the February 28 Incident and subsequent White Terror. Lastly, the 20th century saw the development of the secular Requiem, written for public performance without specific religious observance, such as Frederick Delius's "Requiem", completed in 1916 and dedicated to "the memory of all young Artists fallen in the war", and Dmitry Kabalevsky's "Requiem" (Op. 72 – 1962), a setting of a poem written by Robert Rozhdestvensky especially for the composition. Herbert Howells's unaccompanied "Requiem" uses Psalm 23 ("The Lord is my shepherd"), Psalm 121 ("I will lift up mine eyes"), "Salvator mundi" ("O Saviour of the world," in English), "Requiem
Psalm 102 where it is split as an antiphon into a "call" ("Lord, listen to my prayer", or "Hear my prayer, O Lord") and the response ("and let my cry come unto Thee"). This psalm occurs in the Monastic office of St Benedict (480-547) in the Saturday vigils or Matins. It occurs in the same place in the Roman Breviary of St Pius V (1568) and occurs at Saturday Terce in the Roman Breviary of St Pius X (1911). In the revised office of Pope Paul VI (1971) the Psalm occurs on Tuesday Week 4 Vigils The second verse is set in