Funny place, the music business — it devours the young and ignores the old. But there’s a fascinating exception: Many of the industry’s most respected and consistently employed roadies, instrument techs and live sound people are well into their 60s and even 70s. Their job is to create a seamless experience for the music fan and a painless experience for the musician. They keep the live music industry humming, and their ranks might contain more Medicare-eligible employees than any other segment of the music business. Kevin Dugan, 70, has been working with the onetime Van Halen bassist Michael Anthony since Jimmy Carter was president.

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Persons: Kevin Dugan, Van Halen, Michael Anthony, Jimmy Carter, Dallas Schoo, Bruce Springsteen, Betty Cantor, Jackson, she’s, ” Cantor, “, ” Organizations: AARP, daredevils Locations: Bay