In what year was the album “KEPLER WORLD” released by Kepler?

In what year was the album “KEPLER WORLD” released by Kepler?: The album “KEPLER WORLD” was released in 2021 by Kepler, featuring 9 tracks.
What is the most successful song from the album “KEPLER WORLD” by Kepler?: “Guedin” is the biggest hit from the album “KEPLER WORLD” by Kepler.

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