The Heartbreakers knew.
When Tom Petty's band gathered backstage a couple of hours before the grand finale of its sold-out, three-night homecoming stand at the venerated Hollywood Bowl last month, capping a remarkably successful 40th anniversary tour, they knew.
Not about how little time the band's leader had left on Earth, that just a week later he would go into cardiac arrest and die at 66, leaving them, his family and millions of fans around the world in disbelief and grief.
But they did know, unequivocally, what a rare and valuable thing they had created and grown together, resulting in something considerably greater than the sum of its estimable parts: guitarist Mike Campbell, keyboardist Benmont Tench, multi-instrumentalist Scott Thurston, bassist Ron Blair and drummer Steve Ferrone.
"Everybody always asks me that: 'Why are you still together?' Campbell said. "It's really pretty simple: We really love each other and we love the music we make together -- more than the music we make with other people. It's got a brotherhood in it, decades of bonding."
Beyond sheer longevity, the legacy of Tom Petty & the Heartbreakers also centers on a body of work that has stretched over four decades, with an extraordinary level of quality.
Other bands might have splintered when the front man announced, as Petty did in 1989, that he'd decided to make a solo album ("Full Moon Fever"). Or that he was putting the band on hold so he could pal around with Bob Dylan, Roy Orbison, George Harrison and Jeff Lynne in a whimsical rock supergroup called The Traveling Wilburys.
Ferrone and Blair might have taken umbrage when Petty, Campbell and Tench decided in 2007 to resuscitate Mudcrutch, the Florida band from whose ashes the Heartbreakers emerged.
"It's an old but accurate analogy: it's like a marriage," Campbell said. "You do need breaks, and we take breaks. We don't socialize a lot when we're off tour, for that very reason. It's really healthy to do other projects outside the group, to grow and get other input and inspirations form different situations.
"But," he added, "it's always nice to come home to the band. This band is like 1-2-3-4 Boom! there it is, and you just go, 'Wow, it works' -- and it always works. And it always feels more fulfilling than other projects," Campbell said.