Matthew 12:34-35

How can ye, evil as ye are, speak good things? For out of the abundance of the heart the mouth speaketh.

2 Corinthians 9:11-12

while ye are enriched in everything to all liberality, which worketh out through us thanksgiving to God;

Philippians 3:7-9

But whatever things were gain to me, those for the sake of Christ I have counted but loss.

1 Peter 2:9-10

But ye are a chosen generation, a royal priesthood, a holy nation, a people for a possession, that ye may show forth the praises of him who called you out of darkness into his wonderful 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 marvelous are thy works, Lord God Almighty; just and true are thy ways, thou King of the nations;

Revelation 19:1-3

After these things I heard as it were a loud voice of a great multitude in heaven, saying, Hallelujah I The salvation, and the glory, and the 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
How can ye, evil as ye are, speak good things? For out of the abundance of the heart the mouth speaketh.
2 Corinthians 9:11
while ye are enriched in everything to all liberality, which worketh out through us thanksgiving to God;
1 Peter 2:9
But ye are a chosen generation, a royal priesthood, a holy nation, a people for a possession, that ye may show forth the praises of him who called you out of darkness into his wonderful light;

Sing

Philippians 3:7
But whatever things were gain to me, those for the sake of Christ I have counted but loss.
Revelation 15:3
And they sing the song of Moses the servant of God, and the song of the Lamb, saying: Great and marvelous are thy works, Lord God Almighty; just and true are thy ways, thou King of the nations;
Revelation 19:1
After these things I heard as it were a loud voice of a great multitude in heaven, saying, Hallelujah I The salvation, and the glory, and the power, belong to our God;