Gradual with text from Psalm 23. In the tridentine Requiem mass of the late 16c it is replaced by Requiem aeternam with the verse In memoria aeternam, while the 1990 Gregorian Missal lists it among 4 other options.
Settings by composers
Other settings possibly not included in the manual list above
- Orlando di Lasso — Missa pro defunctis
Text and translations
Si ámbulem in médio umbrae mortis,
If I walk in the midst of the shadow of death,