2012 global festival

More than 40 years after George Harrison put together the all-star ‘Concert for Bangladesh,’ rock fans have become inured to the concept of stars coming together in order to combat societal ills — and these days, in order to really get attention, a charity festival has to have a pretty impressive lineup. Like, for instance, the 2012 Global Festival, scheduled for Sept. 29 in New York City’s Centra