The Hum

Sonic sketch of samples of 'The Hum' phenomenon and readings from newspaper clippings reporting instances when 'The Hum' has been heard and the residual effects. 

The Hum is a phenomenon, or collection of phenomena, involving widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise not audible to all people. Hums have been widely reported by national media in the UK and the United States.