Revelation 14:2-3

And I heard a voice from heaven like the voice of many waters, and the voice of a great thunder; and I heard the voice of harpers harping on their harps.

Revelation 15:2-3

And I saw the semblance of a glassy sea, mingled with fire; and standing by this glassy sea, with harps of God, were those who came off conquerors from the beast and from his image and from the cipher of his name.

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 from heaven like the voice of many waters, and the voice of a great thunder; and I heard the voice of harpers harping on their harps.
Revelation 15:2
And I saw the semblance of a glassy sea, mingled with fire; and standing by this glassy sea, with harps of God, were those who came off conquerors from the beast and from his image and from the cipher of his name.