In what year was the album “Ibeyi” released by Ibeyi?

In what year was the album “Ibeyi” released by Ibeyi?: The album “Ibeyi” was released in 2015 by Ibeyi, featuring 15 tracks.
What is the most successful song from the album “Ibeyi” by Ibeyi?: “River” is the biggest hit from the album “Ibeyi” by Ibeyi.

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