Revelation 15:2-3

Worrell(i) 2 And I saw as it were a glassy sea mingled with fire; and those who were victorious over the beast, and over his image, and over the number of his name, standing by the glassy sea, having harps of God. 3 And they sang the song of Moses, the servant of God, and the song of the Lamb, saying, "Great and marvelous are Thy works, O Lord God, the Almighty; righteous and true are Thy ways, Thou King of the ages.