In what year was the album “Schlüsselkind” released by Sasha?

In what year was the album “Schlüsselkind” released by Sasha?: The album “Schlüsselkind” was released in 2018 by Sasha, featuring 10 tracks.
What is the most successful song from the album “Schlüsselkind” by Sasha?: “Lichterketten” is the biggest hit from the album “Schlüsselkind” by Sasha.

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