Difference between Busyness and Hum

Busyness

Part of speech: noun

Definition: The characteristic of being busy.

Hum

Part of speech: noun

Definition: A hummed tune, i.e. created orally with lips closed.An often indistinct sound resembling human humming.Busy activity, like a beehive's buzz

Part of speech: verb

Definition: To make a sound from the vocal chords without pronouncing any real words, with one's lips closed.To express of affect by hummingTo drone like certain insects naturally do in motion, or sounding similarlyTo buzz, be busily active like a beehiveTo produce a low sounds blend continuouslyTo reek, smell bad.To deceive, or impose on one by some story or device.

Example sentence: For me, anything can be music! I can get huge enjoyment and be moved totally by the purity and perfection of some Renaissance polyphony, but equally I can feel emotion in the expectant hum of a big old guitar amp just before the strings are hit.