What's This Strange Sound?

The recordings were recorded 05/24/2023, and the strange sound therein (a loud hum) is very unusual, and I have no satisfying explanation for it. If you do, please leave a comment below! The strange sound was recorded at my home in rural Southern Missouri with my phone.

Unedited Recordings:
https://drive.google.com/drive/folders/1XbPOvykIbxSbR19TyCr2RDLlrpY7-rZD?usp=sharing

Avatar Artwork By: @_SemajZ_

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#strangesounds #noise #unexplained