1) Amnesiac is an electronic musician based in the Phoenix area. He has released two works, RNA World, which features classical ambient and downtempo pieces, and Show Yourself, which features experimental electronic sketches influenced by the likes of Aphex Twin, Burial, and Jonny Greenwood, in addition to several ambient pieces.

2) Australian chiptune/shoegaze musician
Bandcamp: http://amnesiacc.bandcamp.com

3) Screamo/emoviolence from New Haven, Conneticut.
https://aamnesiac.bandcamp.com/

4) AMnesiac (安尼西亞) -- Indie/post-rock band from Chengdu, China
https://amnesiacband.bandcamp.com/ Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.