In what year was the album “让你猜” released by 丁丁?

In what year was the album “让你猜” released by 丁丁?: The album “让你猜” was released in 2013 by 丁丁, featuring 10 tracks.
What is the most successful song from the album “让你猜” by 丁丁?: “勇敢的代价” is the biggest hit from the album “让你猜” by 丁丁.

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