Tiera Kennedy, dressed in an Aaliyah T-shirt for her second Stagecoach performance of the day, moving nimbly through SWV’s always-welcome “Weak.” Ashley McBryde, on the main stage at sunset, nailing ...

But it’s possible the frontman has never called on somebody as confident as the dude he picked Saturday night to help finish Green Day’s headlining ... inspiring a sing-along of their own.