At the end of each psalm a candle of the fifteen-branched candlestick is extinguishedAt the end of the Office the last candle, representing Our Lord Jesus Christ, is hidden behind the altar. This illustrates the disappearance of the "Light of the World" (Jn VIII, 12) at Our Lord’s death.The candles on the altar are extinguished during the BenedictusThe cantors sing the first verse of the psalmOffice of Tenebrae of Good FridayThe Lessons are sung by the clericsOffice of Tenebrae on Holy ThursdayResponses sung by the sisters
