Revelation 14:2-3

And I heard a voice out of heaven, as the sound of many waters, and like the sound of great thunder: and I heard the voice of harpers playing upon their harps.

Revelation 15:2-3

And I saw, as it were, a sea of glass mingled with fire; and those who overcame the beast, and its image, and its mark, and the number of its name; standing by the sea of glass, having the harps of God.

Treasury of Scripture Knowledge

Summary

The singers went before, the players on instruments followed after; among them were the damsels playing with timbrels.

Bible References

The players

Revelation 14:2
And I heard a voice out of heaven, as the sound of many waters, and like the sound of great thunder: and I heard the voice of harpers playing upon their harps.
Revelation 15:2
And I saw, as it were, a sea of glass mingled with fire; and those who overcame the beast, and its image, and its mark, and the number of its name; standing by the sea of glass, having the harps of God.