In what year was the album “Story of Separation” released by Lee Seung Gi?

In what year was the album “Story of Separation” released by Lee Seung Gi?: The album “Story of Separation” was released in 2007 by Lee Seung Gi, featuring 11 tracks.
What is the most successful song from the album “Story of Separation” by Lee Seung Gi?: “Smile Boy” is the biggest hit from the album “Story of Separation” by Lee Seung Gi.

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