In what year was the album “Smaragd” released by GReeeN?

In what year was the album “Smaragd” released by GReeeN?: The album “Smaragd” was released in 2019 by GReeeN, featuring 12 tracks.
What is the most successful song from the album “Smaragd” by GReeeN?: “Intro” is the biggest hit from the album “Smaragd” by GReeeN.

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