We know Robert Plant isn't interested in fronting a reconstituted Led Zeppelin, and we know Heart singer Ann Wilson is more than up to the task of performing Zeppelin's greatest hits.
As they head into their fourth decade of making music together, Ann and Nancy Wilson of Heart are still going strong; with a tour, new album, box set, and autobiography on the horizon for 2012, they show no signs of slowing down. And although none of those projects are in stores yet, you can get an early glimpse at what’s in store right now — including video of a rare 1976 performance of the Heart