Matthew 12:34-35

O race of vipers, how can ye speak good things, who are yourselves so wicked? for out of the abundance of the heart the mouth speaketh.

2 Corinthians 9:11-12

being in every thing enriched to all liberality, which produceth through us thanksgiving to God.

Philippians 3:7-9

which were once gain to me, I counted loss for Christ.

1 Peter 2:9-10

But ye are a chosen generation, a royal priesthood, a holy nation, a peculiar people; that ye should declare the glories of Him, who hath called you out of darkness into his marvellous light:

Revelation 15:3-4

And they sing the song of Moses the servant of God, and the song of the Lamb, saying, "Great and marvellous are thy works, Lord God almighty; just and true are thy ways, O king of saints: who should not fear thee,

Revelation 19:1-3

And after these things I heard a loud voice as of a great multitude in heaven, saying, Alleluia; salvation, and glory, and honor, and power to the Lord our God: for true and righteous are his judgements;

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 race of vipers, how can ye speak good things, who are yourselves so wicked? for out of the abundance of the heart the mouth speaketh.
2 Corinthians 9:11
being in every thing enriched to all liberality, which produceth through us thanksgiving to God.
1 Peter 2:9
But ye are a chosen generation, a royal priesthood, a holy nation, a peculiar people; that ye should declare the glories of Him, who hath called you out of darkness into his marvellous light:

Sing

Philippians 3:7
which were once gain to me, I counted loss for Christ.
Revelation 15:3
And they sing the song of Moses the servant of God, and the song of the Lamb, saying, "Great and marvellous are thy works, Lord God almighty; just and true are thy ways, O king of saints: who should not fear thee,
Revelation 19:1
And after these things I heard a loud voice as of a great multitude in heaven, saying, Alleluia; salvation, and glory, and honor, and power to the Lord our God: for true and righteous are his judgements;