There are 3 artists (minimum) known as Obsidia

1. An Austrian gothic metal band
2. A Dubstep artist from the UK
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(1.) Austrian gothic metal band formed in 2004 by Sir Iwain and Lucrezia, and in 2009 the band released their debut album "Back To Darkness". Official myspace page : http://www.myspace.com/obsidiamusic

(2.) UK based Dubstep producer. Youtube Channel : http://www.youtube.com/ObsidiaMedia
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