Notes
20 hertz is considered the lowest frequency a human ear can hear.
Headphones recommended.
![[DE]focus](https://images.8tracks.com/cover/i/008/749/652/cover-3559.png?rect=0,0,1314,1314&q=98&fm=jpg&fit=max&w=100&h=100)
Related collections
20 hertz is considered the lowest frequency a human ear can hear.
Headphones recommended.
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