In what year was the album “Ultraviolett 2” released by Metrickz?

In what year was the album “Ultraviolett 2” released by Metrickz?: The album “Ultraviolett 2” was released in 2015 by Metrickz, featuring 14 tracks.
What is the most successful song from the album “Ultraviolett 2” by Metrickz?: “Nicht wie du” is the biggest hit from the album “Ultraviolett 2” by Metrickz.

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