In what year was the album “Kannon” released by Sunn O)))?

In what year was the album “Kannon” released by Sunn O)))?: The album “Kannon” was released in 2015 by Sunn O))), featuring 3 tracks.
What is the most successful song from the album “Kannon” by Sunn O)))?: “Kannon 3” is the biggest hit from the album “Kannon” by Sunn O))).

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