What's the most intriguing or confusing or puzzling song have you ever heard?

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Im talking about the lyrics of a song.. There are many songs that are hard to interpret.. Some songs may have different meanings and could be interpreted in many ways.. When I watched twilight, I liked the prom scene in which the song "flightless bird, american mouth" was being played.. I liked the melody.. So I searched for the lyrics and oh, I was confused with the meaning.. It doesnt seem to be a love song to me.. Is it about America?? I dont know if it's the most puzzling song I've ever heard, but it is the most recent song I'm confused with..