It sounds like a hit single half-remembered from your childhood. Eighties-style synths and electronic handclaps lead into a ghostly new-wave vocal. If it wasn’t for the tape hiss, you could be listening to an early Roxette tune or a version of Kim Carnes’s Bette Davis Eyes from an alternate universe.
The catchy 80s tune, known online as Everyone Knows That, drove internet users and music lovers wild after it was uploaded to YouTube years ago - sans artist.