Obsydian is the name of more than one artist:
1) Canadian death metal
2) Polish progressive metal

1) Blackened Death metal from Nova Scotia, Canada. The band has released their debut album, The Grotesque Presage, which features 10 original tracks. The band is comprised of:

Justin Marshall - Drums
Mitchell Dragatis - Guitar
Marc Mackenzie - Guitar / Vocals
Ian Seurattan - Bass / Backing Vocals Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.