'Harps' in the Bible

And when he took the scroll, the four living creatures and the twenty-four elders fell before the Lamb, having each one harps and golden vials full of perfumes, which are the prayers of the saints,

and I heard a voice out of the heaven, as a voice of many waters, and as a voice of great thunder, and a voice I heard of harpers harping with their harps,

and I saw as a sea of glass mingled with fire, and those who do gain the victory over the beast, and his image, and his mark, and the number of his name, standing by the sea of the glass, having harps of God,