Revelation 14:2-3

And I heard a sound from heaven, like the sound of great waters, and loud peals of thunder. The sound I heard was like that of harpists playing on their harps.

Revelation 15:2-3

And I saw what looked like a sea of glass mixed with fire, and standing upon the sea of glass those who had come off victorious from the animal and its statue and the number corresponding to its name. They had harps that God had given them,

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 sound from heaven, like the sound of great waters, and loud peals of thunder. The sound I heard was like that of harpists playing on their harps.
Revelation 15:2
And I saw what looked like a sea of glass mixed with fire, and standing upon the sea of glass those who had come off victorious from the animal and its statue and the number corresponding to its name. They had harps that God had given them,