Coming from Nintendo's own press release earlier today, which discussed the Symphony of the Goddesses concert.
To celebrate the launch of The Legend of Zelda: The Wind Waker HD for Wii U on Oct. 4, Nintendo is adding some extra magic to the Seattle stop of The Legend of Zelda: Symphony of the Goddesses concert tour.
There you have it, an official release date. Time to start saving up now! You might want to save a bit extra if you fancy that 'unofficial' bundle that we all know is real.