In what year was the album “Zentralgestirn - EP” released by Trettmann?

In what year was the album “Zentralgestirn - EP” released by Trettmann?: The album “Zentralgestirn - EP” was released in 2012 by Trettmann, featuring 2 tracks.
What is the most successful song from the album “Zentralgestirn - EP” by Trettmann?: “Schwarzer Sonntag” is the biggest hit from the album “Zentralgestirn - EP” by Trettmann.

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