Revelation 14:2

14:2 I also heard a sound coming out of heaven like the sound of many waters and like the sound of loud thunder. Now the sound I heard was like that made by harpists playing their harps,

Revelation 22:8

22:8 I, John, am the one who heard and saw these things, and when I heard and saw them, I threw myself down to worship at the feet of the angel who was showing them to me.