The hour of Compline is far more variable in the Dominican Office than in the Roman, often changing the antiphon of the psalms, the hymn, and the antiphon of the Nunc dimittis. This was true of most medieval Uses, and especialy in Lent, a season in which the Dominican Use brings forth some its best treasures. The most famous of these is certainly Media vita, a piece which will always be associated with St Thomas Aquinas, whose biographers note that he would always weep copiously when it was sung, especially at the verse “Cast us not away in the time of our old age, when our strength shall fail, forsake us not, o Lord.” Although written as a responsory, with verses and the repetition of the second part of the beginning, it was sung in many Uses as an antiphon for the Nunc dimittis.
As Fr Thompson has noted previously, it may now be used by the Dominicans as a responsory, rather than as an antiphon, and it is thus that we can hear it sung by the Dominican students at Blackfriars.
R. In the midst of life, we are in death; whom shall we seek to help us, but Thee, o Lord, who for our sins art justly wroth? * Holy God, holy mighty one, holy and merciful Savior, hand us not over to bitter death. V. Cast us not away in the time of our old age, when our strength shall fail, forsake us not, o Lord. Holy God, holy mighty one etc.The Use of Sarum appointed Media vita to be sung at the same time as the Dominicans, during the third and fourth weeks of Lent, but with more verses, and the division of the refrain as follows:
Aña In the midst of life, we are in death; whom shall we seek to help us, but Thee, o Lord, who for our sins art justly wroth? * Holy God, holy mighty one, holy and merciful Savior, hand us not over to bitter death.Many composers have put their hand to this text; one of the finest versions of it is the setting by the Franco-flemish composer Nicolas Gombert. (1495-1560 ca.)
V. Cast us not way in the time of our old age, when our strength shall fail, forsake us not, o Lord. Holy God.
V. Close not Thy ears to our prayers. Holy mighty one.
V. Who knowest the secrets of the heart, show mercy to our sins. Holy and merciful Savior, hand us not over to bitter death.