How successful will Lil Wayne's venture into rock music be?

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As you may or may not know, Lil Wayne has officially confirmed the release date for his full length rock, album Rebirth, for April 7th. I guess we should have expected this, Wayne has been playing the guitar for a while, and sometimes refers to himself as a rock star. After hearing the new song, "Prom Queen" and being a big fan of both Lil Wayne and rock, I am excited to go out and buy The Rebirth. What do you think? How many albums will Lil Wayne sell in the first week? What will the general response to the album be?