Xor

(1) XOR is a bulgarian electronic producer namer Cvetomir Krumov part of industrial band Backpullver.
(2) XOR is also a Death metal band with influenses from the modern hardcore scene hailing from Borlänge, Sweden.
(3) XOR was a hard rock band from Cleveland, Ohio, United States, whose guitarist, producer and arranger was Temple 8 front man Kurt Tischer (AKA last.fm user 3rdear). Their debut EP is still available thru Rigel Records.
(4) An electronic artist from http://Remix.Kwed.