In what year was the album “18安士” released by 許志安?

In what year was the album “18安士” released by 許志安?: The album “18安士” was released in 2017 by 許志安, featuring 4 tracks.
What is the most successful song from the album “18安士” by 許志安?: “芝士” is the biggest hit from the album “18安士” by 許志安.

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