In an auditorium, about 15 guys are seated on metal folding chairs or in their wheelchairs, with new guitars resting on their thighs. Their instructors, Adam Swenson and Jim Brown, count out chords ...

It’s easy to imagine that larger-than-life rock stars are born with an electric guitar in hand, ready to unleash a barrage of thunderous riffs before they’ve even taken their first steps. But you ...