Matthew 12:34-35

O ye generations of vipers, how are you, being evil, able to speak good things? for out of the abundance of the heart the mouth speaks.

2 Corinthians 9:11-12

in every thing being enriched in all purity, which works out through us thanksgiving to God.

Philippians 3:7-9

Those things which were gained to me, these I counted loss for the sake of Christ.

1 Peter 2:9-10

But you are an elect race, a royal priesthood, a holy nation, a people unto conquest; in order that you may proclaim the virtues of the one having called you out of darkness unto his own marvelous light:

Revelation 15:3-4

And they are singing the song of Moses the servant of God, and the song of the Lamb, saying, Great and wonderful are thy works, O Lord God Omnipotent; true and righteous are thy ways, thou King of the nations:

Revelation 19:1-3

After these things I heard as it were a great voice of a vast multitude in the heaven, saying, Hallelujah! Salvation, and glary, and power, belong to our God:

Treasury of Scripture Knowledge

Summary

They shall abundantly utter the memory of thy great goodness, and shall sing of thy righteousness.

Bible References

Abundantly

Matthew 12:34
O ye generations of vipers, how are you, being evil, able to speak good things? for out of the abundance of the heart the mouth speaks.
2 Corinthians 9:11
in every thing being enriched in all purity, which works out through us thanksgiving to God.
1 Peter 2:9
But you are an elect race, a royal priesthood, a holy nation, a people unto conquest; in order that you may proclaim the virtues of the one having called you out of darkness unto his own marvelous light:

Sing

Philippians 3:7
Those things which were gained to me, these I counted loss for the sake of Christ.
Revelation 15:3
And they are singing the song of Moses the servant of God, and the song of the Lamb, saying, Great and wonderful are thy works, O Lord God Omnipotent; true and righteous are thy ways, thou King of the nations:
Revelation 19:1
After these things I heard as it were a great voice of a vast multitude in the heaven, saying, Hallelujah! Salvation, and glary, and power, belong to our God: