In the Western Christian traditions, today is Holy Thursday. This evening, we will begin our solemn observation of the Sacred Triduum.
After the Evening Mass of the Lord's Supper, many churches will remain open for several hours for the Faithful to pray before the tabernacle. The time is sometimes called a "Night Watch" and recalls Jesus' Agony in the Garden.
One piece of music often used often for this time of prayer is the Taizé chant "Bleibet hier" or "Stay With Me." (In English, the verse is: "Stay with me, remain here with me, watch and pray, watch and pray.")
And, in 2007, from Cologne, Germany: