"hide memorial summit" confirmed for May

[Tokyograph News]

X JAPAN will be holding two concerts in May as a memorial for the 10th death anniversary of guitarist hide. Titled "hide memorial summit," the 2-day event will bring together a total of roughly 20 artists, including LUNA SEA, Dir en grey, and T.M.Revolution.

hide, whose real name was Hideto Matsumoto, passed away on May 2, 1998. The memorial concerts are scheduled for the weekend of his death anniversary, May 3-4, at Tokyo's Ajinomoto Stadium. The event is being organized by hide's brother and produced by Yoshiki.

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everywhere i can read about the summit.
i will be in japan this days with friends and we want to go there from the bottom of our heard.
the only problem was, that nobody says something about getting tickets.
do anybody know, where you can buy them?
it is hard to know, that we are in tokyo that days, x-japan, luna sea and other bands are playing, and we are not able to see them.

if anybody can help. please!