Matthew 26:30

Having sung a hymn, they went out into the Mount of Olives.

Matthew 21:1

When they drew near to Jerusalem, and came to Bethphage, to the Mount of Olives, then Jesus sent away two disciples,

Luke 22:39

And having gone out, He departed, according to custom, into the Mount of Olives; and His disciples followed Him.

Mark 14:26-31

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

Luke 21:37

And He was teaching in the temple during the days; and during the nights going out, He was lodging in the mountain called Mount of Olives.

John 14:31

but in order that the world may know that I love the Father, and as He commanded, so I am doing. Arise, let us go hence.

John 18:1-4

Jesus saying these things, went out with His disciples beyond the brook of Kidron, where there was a garden, into which He and His disciples came.

Ephesians 5:19-20

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

They went

Luke 21:37
And He was teaching in the temple during the days; and during the nights going out, He was lodging in the mountain called Mount of Olives.
Luke 22:39
And having gone out, He departed, according to custom, into the Mount of Olives; and His disciples followed Him.
John 14:31
but in order that the world may know that I love the Father, and as He commanded, so I am doing. Arise, let us go hence.
John 18:1
Jesus saying these things, went out with His disciples beyond the brook of Kidron, where there was a garden, into which He and His disciples came.