Remember the [Takamina ni Tsuite Ikimasu] concert that was canceled in the aftermath of the Tohoku earthquake and tsunami? (see this post). Well it's still canceled but in it's place will be the [Dareka no Tame ni Project] (For Someone's Sake Project) event.Yes it shares the same name as the song from Team A 3rd Stage and Team N 1st Stage. The event will take place from 26 ~ 27 March.
The Dareka no Tame ni Project is not a concert, it's a charity event where fans can donate to the AKB48 relief fund (see here) . Also at the Dareka no Tame ni Project event will be goods originally for the Takamina ni Tsuite Ikimasu concert. All proceeds will go directly to the fund, and from there to the Japanese Red Cross.
For a full list of products please see here: http://ameblo.jp/akihabara48/entry-10841360482.html
No AKB48 members will be at the event because it will impossible to organize everything, based on what happened at the Saitama Super Arena (see this post and this picture).
In addition to the event, the song Dareka no Tame ni itself will be released on Recochoku (a music download website in Japan), and there are plans to release it on iTunes as well.