Waterphone by WatersHubbert.mp4

it's the closest Earthman instrument like the Sandia the ET @SandiaWisdom on twitter, music instrument
called by them the shell harp and or the heart harp.

The PONTEE musical instrument is created from carving out a certain species of sea shell that takes decades to reach this size.

The bottom reservoir holds water which moves and alters the sound vibrations.

-Jll.....

I of course love all these kinds of instruments that have strange vibrations, wonder why hey ? https://obyonetaopy.bandcamp.com/