Matthew 26:30

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

Matthew 21:1

And when they drew nigh to Jerusalem, and came to Bethphage, at the Mount of Olives,

Luke 22:39

And going out, he went, according to his custom, to the mount of Olives, and his disciples also followed him.

Mark 14:26-31

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

Luke 21:37

Now by day he was teaching in the temple; and at night going out he lodged at the mount called the mount of 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

Jesus having spoken these words, went forth with his disciples over the brook Kedron, where was a garden, into which he entered and his disciples.

Ephesians 5:19-20

wherein is excess; but be ye filled with the Spirit, Speaking to each other in psalms, and hymns, and spiritual songs, singing and making melody with your hearts unto the Lord;

Colossians 3:16-17

Let the word of Christ dwell in you richly in all wisdom, teaching and admonishing one another in psalms, and hymns, and spiritual songs, singing with grace in your heart unto the Lord.

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 the hymn, they went out toward the mount of Olives.
Ephesians 5:19
wherein is excess; but be ye filled with the Spirit, Speaking to each other in psalms, and hymns, and spiritual songs, singing and making melody with your hearts unto the Lord;
Colossians 3:16
Let the word of Christ dwell in you richly in all wisdom, teaching and admonishing one another in psalms, and hymns, and spiritual songs, singing with grace in your heart unto the Lord.

They went

Luke 21:37
Now by day he was teaching in the temple; and at night going out he lodged at the mount called the mount of Olives.
Luke 22:39
And going out, he went, according to his custom, to the mount of Olives, and his 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
Jesus having spoken these words, went forth with his disciples over the brook Kedron, where was a garden, into which he entered and his disciples.