In what year was the album “Éter” released by Scalene?

In what year was the album “Éter” released by Scalene?: The album “Éter” was released in 2015 by Scalene, featuring 12 tracks.
What is the most successful song from the album “Éter” by Scalene?: “Tiro Cego” is the biggest hit from the album “Éter” by Scalene.

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