In what year was the album “Zero” released by 크랙시?

In what year was the album “Zero” released by 크랙시?: The album “Zero” was released in 2021 by 크랙시, featuring 5 tracks.
What is the most successful song from the album “Zero” by 크랙시?: “GAIA” is the biggest hit from the album “Zero” by 크랙시.

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