In what year was the album “BANGYONGGUK” released by Bang Yongguk?

In what year was the album “BANGYONGGUK” released by Bang Yongguk?: The album “BANGYONGGUK” was released in 2019 by Bang Yongguk, featuring 6 tracks.
What is the most successful song from the album “BANGYONGGUK” by Bang Yongguk?: “AM 4:44” is the biggest hit from the album “BANGYONGGUK” by Bang Yongguk.

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