It’s not easy to make a living fixing and selling guitars, yet Billy Fels and Doug Montgomery have been at it for more than 40 years. They invited Growing Bolder into the Guitar Factory, their small shop, which is a converted gas station stuffed with guitars and guitar parts, to show us why some of the biggest names in music come knocking on their door when they need the job done right.

From helping guitarists like Jimmy Buffett to Bruce Springsteen to everyday Joes and Janes keep strumming, see how, against the odds, they’ve managed to become grey-haired men still in the rock and roll business … without the spandex!