'Harpers' in the Bible

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 voice of harpers, and musicians, and pipers, and trumpeters, may not be heard at all in thee any more; and any artisan of any art may not be found at all in thee any more; and noise of a millstone may not be heard at all in thee any more;