Revelation 5:9-14

And they sing a new song, saying, Thou art worthy to receive the book, and to open its seals: because thou wast slain, and didst with thy blood redeem unto God out of every tribe, and tongue, and people, and nation;

Revelation 19:1-6

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

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, Thou art worthy to receive the book, and to open its seals: because thou wast slain, and didst with thy blood redeem unto God out of every tribe, and tongue, and people, and nation;
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: