Revelation 15:3-4

and they sung 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, thou king of ages.

Revelation 19:1-6

And after these things I heard a great voice of a numerous multitude in heaven, saying, "alleluia; salvation, glory, honour, and power unto the Lord our God:

Treasury of Scripture Knowledge

Summary

Thus will I magnify myself, and sanctify myself; and I will be known in the eyes of many nations, and they shall know that I am the LORD.

Bible References

And i

Revelation 15:3
and they sung 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, thou king of ages.
Revelation 19:1
And after these things I heard a great voice of a numerous multitude in heaven, saying, "alleluia; salvation, glory, honour, and power unto the Lord our God: