In what year was the album “S.O.S. 4” released by 645AR?

In what year was the album “S.O.S. 4” released by 645AR?: The album “S.O.S. 4” was released in 2018 by 645AR, featuring 5 tracks.
What is the most successful song from the album “S.O.S. 4” by 645AR?: “Amen” is the biggest hit from the album “S.O.S. 4” by 645AR.

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