The online/mp3 version came out sometime this year (though I was confused for a long time, the download at their myspace page coming up as the 2009 version for quite a while), and apparently a physical version will be released in 2011.
This download is courtesy of their official myspace page.
Check out this previous post for more on Corubo.
Album Name: Ancestral Metal - The End of Sorrow / Guarani Oporonhenói Gueteri
Genre: Black, Death Metal/Black Metal, Ambient
|6.||Guarani Oporonhenói Gueteri||03:04|
|9.||Kuarahy Osemba Rire||03:25|
|Total playing time||39:19|