Matthew 26:30

And, having sung praises, they went out into the mount of Olives.

Matthew 21:1

And, when they drew near to Jerusalem, and came to Bethphage, to the mount of Olives, then Jesus sent two disciples.

Luke 22:39

And, going out, He went, according to His custom, to the mount of Olives; and the disciples also followed Him;

Mark 14:26-31

And, having sung a hymn, they went out into the mount of Olives.

Luke 21:37

And He was, during the days, in the temple, teaching; and, during the nights, going forth, He was wont to lodge in the mount which is called Olives.

John 14:31

but, that the world may know that I love the Father, and, as the Father commanded Me, so I do, Arise, let us go hence."

John 18:1-4

Having spoken these things, Jesus went forth with His disciples beyond the winter-brook Kidron, where was a garden, into which He entered Himself and His disciples.

Ephesians 5:19-20

speaking to yourselves in psalms, and hymns, and spiritual songs, singing and making melody in your heart to the Lord;

Colossians 3:16-17

Let the word of Christ dwell in you richly in all wisdom; teaching and admonishing one another with psalms, hymns, spiritual songs, singing with grace in your hearts, to God.

Treasury of Scripture Knowledge

Summary

And when they had sung an hymn, they went out into the mount of Olives.

Bible References

When

Mark 14:26
And, having sung a hymn, they went out into the mount of Olives.
Ephesians 5:19
speaking to yourselves in psalms, and hymns, and spiritual songs, singing and making melody in your heart to the Lord;
Colossians 3:16
Let the word of Christ dwell in you richly in all wisdom; teaching and admonishing one another with psalms, hymns, spiritual songs, singing with grace in your hearts, to God.

They went

Luke 21:37
And He was, during the days, in the temple, teaching; and, during the nights, going forth, He was wont to lodge in the mount which is called Olives.
Luke 22:39
And, going out, He went, according to His custom, to the mount of Olives; and the disciples also followed Him;
John 14:31
but, that the world may know that I love the Father, and, as the Father commanded Me, so I do, Arise, let us go hence."
John 18:1
Having spoken these things, Jesus went forth with His disciples beyond the winter-brook Kidron, where was a garden, into which He entered Himself and His disciples.