'Harpists' in the Bible

And I heard a voice from heaven, like the sound of many waters and like the sound of loud thunder, and the voice which I heard was like the sound of harpists playing on their harps.

And the sound of harpists and musicians and flute-players and trumpeters will not be heard in you any longer; and no craftsman of any craft will be found in you any longer; and the sound of a mill will not be heard in you any longer;