In what year was the album “Ground Original 4: It Is What It Isn't” released by DJ JS-1?

In what year was the album “Ground Original 4: It Is What It Isn't” released by DJ JS-1?: The album “Ground Original 4: It Is What It Isn't” was released in 2014 by DJ JS-1, featuring 21 tracks.
What is the most successful song from the album “Ground Original 4: It Is What It Isn't” by DJ JS-1?: “Interference” is the biggest hit from the album “Ground Original 4: It Is What It Isn't” by DJ JS-1.

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