Revelation 5:9-14

And they sing a new song, saying, Worthy art thou to take the book and to open the seals thereof; for thou wast slain and hast redeemed us to God by thy blood, out of every tribe, and tongue, and people, and nation,

Revelation 19:1-6

After this I heard a loud voice of a great multitude in heaven, saying, Hallelujah: The salvation, and the glory, and the power to our God.

Treasury of Scripture Knowledge

Summary

Praise ye the LORD: for it is good to sing praises unto our God; for it is pleasant; and praise is comely.

Bible References

And praise

Revelation 5:9
And they sing a new song, saying, Worthy art thou to take the book and to open the seals thereof; for thou wast slain and hast redeemed us to God by thy blood, out of every tribe, and tongue, and people, and nation,
Revelation 19:1
After this I heard a loud voice of a great multitude in heaven, saying, Hallelujah: The salvation, and the glory, and the power to our God.