Home / Forums / Melodica technique / How to make vibrating sound? / Reply To: How to make vibrating sound? Reply To: How to make vibrating sound? March 8, 2017 at 4:48 pm #8349 MazeParticipant Cool, thanks for the help. So it’s basically like a rolling R? Or trill? I have never been able to do those, but I guess I need to start practicing then 🙂