In what year was the album “Round 3” released by Kim HyunJoong?

In what year was the album “Round 3” released by Kim HyunJoong?: The album “Round 3” was released in 2013 by Kim HyunJoong, featuring 5 tracks.
What is the most successful song from the album “Round 3” by Kim HyunJoong?: “Unbreakable” is the biggest hit from the album “Round 3” by Kim HyunJoong.

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