How do you mend a broken Heart? Ann and Nancy Wilson know.

There was a time, before the thing on the bus, when Ann and Nancy Wilson could hang out after the gig. The badass sister bosses of Heart were known for their killer classic-rock set list — “Barracuda,” “Crazy on You,” “What About Love” — and not the kind of sibling-conflict nonsense that wracked the Kinks or Oasis.