In what year was the album “Errai” released by Tesseract?

In what year was the album “Errai” released by Tesseract?: The album “Errai” was released in 2016 by Tesseract, featuring 4 tracks.
What is the most successful song from the album “Errai” by Tesseract?: “Cages” is the biggest hit from the album “Errai” by Tesseract.

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