If at first you don't succeed try, try again—after reporting every half-baked Led Zeppelin reunion rumor for weeks, The NME finally seems to have factual info on a one-off Led Zeppelin gig happening at the end of November. Apparently the show will be for charity and—sorry Yanks—take place at London's O2 Arena. And there will not be a tour. Apparently. But don't quote us on that.