In what year was the album “O” released by Altimet?

In what year was the album “O” released by Altimet?: The album “O” was released in 2018 by Altimet, featuring 13 tracks.
What is the most successful song from the album “O” by Altimet?: “Ayu” is the biggest hit from the album “O” by Altimet.

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