Audio clips from NES games Zelda (Labyrinth) and Goonies II (Maze) layered on top of each other. Only processing done was setting playback rate for Goonies set to 1.6x. ... https://www.youtube.com/watch?v=GlVzP0QZvFs
They just count on people not caring or not paying attention.
Credits: Maze (@mazemoor on Twitter)
Source: https://twitter.com/mazemoore/status/1487424289280344067
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https://www.youtube.com/watch?v=ehLb1Ey73og