Best Infrasonic HR moments (no particular order):             For comparison, the Opening Naval Gunfire Salvo:       The second graph is the 1Hz content.   Before everyone gets into an uproar about how "nothing reaches +/-50%" on the signal trace, remember that reaching +/-100% on the signal trace is 128dB when played back at Reference Level.  +/-50% is 122dB, still damned loud...   Very few tracks come close to 128dB.   JSS 
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