In what year was the album “Rainism” released by Rain (K-pop)?

In what year was the album “Rainism” released by Rain (K-pop)?: The album “Rainism” was released in 2008 by Rain (K-pop), featuring 8 tracks.
What is the most successful song from the album “Rainism” by Rain (K-pop)?: “RAINISM” is the biggest hit from the album “Rainism” by Rain (K-pop).

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