Revelation 15:2-3

Then I saw what looked like a vast sea of glass blended with fiery flames. Standing beside the sea were those who continually conquer the wild beast, his image and the number of his name. They each held the harps of God and they were singing the song of Moses, God’s servant, and the song of the Lamb: “Mighty and marvelous are your miracles, Lord YAHWEH, God Almighty! Righteous and true are your ways, O Sovereign King of the ages!