Mark 14:26

Overview - Mark 14
A conspiracy against Christ.
Precious ointment is poured on his head by a woman.
10 Judas sells his Master for money.
12 Christ himself foretells how he shall be betrayed by one of his disciples;
22 after the passover prepared, and eaten, institutes his last supper;
26 declares aforehand the flight of all his disciples, and Peter's denial.
43 Judas betrays him with a kiss.
46 He is apprehended in the garden;
53 falsely accused and impiously condemned of the Jews' council;
65 shamefully abused by them;
66 and thrice denied of Peter.
Treasury of Scripture Knowledge

Mark 14:26  (King James Version)
And when they had sung an hymn, they went out into the mount of Olives.

Psalms 47:6 Psalms 47:7 ; Acts 16:25 ; 1 Corinthians 14:15 ; Ephesians 5:18-20 ; Colossians 3:16 ; James 5:13
Revelation 5:9

or, psalm.
This was probably Ps 113-118, which the Jews term the great Hallel, or praise, and always sing at the paschal festivity.
they went.
Matthew 26:30 ; Luke 22:39 ; Judges 18:1-4