In what year was the album “嗯” released by 李荣浩?

In what year was the album “嗯” released by 李荣浩?: The album “嗯” was released in 2017 by 李荣浩, featuring 10 tracks.
What is the most successful song from the album “嗯” by 李荣浩?: “戒菸” is the biggest hit from the album “嗯” by 李荣浩.

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