There are at least eleven different bands that go by the name “Ethereal”:
1) A Rapper/Producer/Live Electronic Artist from Atlanta, Georgia.
2) A black metal band from Liverpool, UK
3) A Goa/Psychadelic Trance duo from Sweden
4) A black metal band from Colombia
5) A Metal band from Portugal
6) A black metal band from Colorado, USA
7) A Melodic Death Metal band from the Netherlands