e/Auroral chorus

Information
has gloss	eng: An auroral chorus is a series of random chirps, whistles, and quasi-musical sounds in predominantly rising tones created by geomagnetic storms also responsible for the auroras. The sounds last approximately 0.1-1.0 seconds. Other auroral sounds includes hissing, swishing, rustling and cracking. The electromagnetic waves are a type of Natural radio waves, vibrations of electric and magnetic energy occurring at the same frequency as sound.
lexicalization	eng: auroral chorus
instance of	(noun) all phenomena that are not artificial natural phenomenon