Conversation so far:
What happened in 2011?
On February 2, 2011, her 49th single "Pop Diva" was released and on February 23, 2011, Koda released "Eternity -Love & Songs- at Billboard Live" an audio DVD.
was it successful.?
CANNOTANSWER.

Question: what is dejavu?
Self-contained rewrite: what is Koda Kumi's dejavu?