In what year was the album “Explore!” released by Isyana Sarasvati?

In what year was the album “Explore!” released by Isyana Sarasvati?: The album “Explore!” was released in 2015 by Isyana Sarasvati, featuring 11 tracks.
What is the most successful song from the album “Explore!” by Isyana Sarasvati?: “Kau Adalah” is the biggest hit from the album “Explore!” by Isyana Sarasvati.

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