In what year was the album “Mwanzo” released by Sauti Sol?

In what year was the album “Mwanzo” released by Sauti Sol?: The album “Mwanzo” was released in 2009 by Sauti Sol, featuring 10 tracks.
What is the most successful song from the album “Mwanzo” by Sauti Sol?: “Asubuhi” is the biggest hit from the album “Mwanzo” by Sauti Sol.

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