2min chapter

99% Invisible cover image

Mini-Stories: Volume 15

99% Invisible

CHAPTER

Why Only Janet Jackson Song Has This Frequency?

There's two big reasons why only Janet Jackson song has this frequency. The first one is the song is sped up very slightly to make it a little more exciting. This was recorded in the era of tape machines and you can hear that when you speed the tape up, it also goes up in pitch. So the notes in rhythm nation fall between the ones you'd normally hear in a pop hit.

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