Conversation so far:
what happened in 2013 with Portugal. The Man?
On February 8, 2013, Portugal. The Man leaked pictures on Bonnaroo's official Tumblr page.
What were the leaked pictures on Bonnaroo's official Tumblr page?
Pictures showed that celebrated producer Brian Burton, aka Danger Mouse, was producing Portugal. The Man's new record.

Question: when was the album release?
Self-contained rewrite: when was the Portugal. The Man album with producer Brian Burton, aka Danger Mouse released?