In what year was the album “Deutsches Demotape” released by Credibil?

In what year was the album “Deutsches Demotape” released by Credibil?: The album “Deutsches Demotape” was released in 2013 by Credibil, featuring 18 tracks.
What is the most successful song from the album “Deutsches Demotape” by Credibil?: “Meine Stadt” is the biggest hit from the album “Deutsches Demotape” by Credibil.

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