The set-up for a typical Jesse Welles video is simple: the 32-year-old stands in an open field under a string of powerlines, clutching an acoustic guitar. From behind a tousled, curly mop of hair, he ...

Forbes contributors publish independent expert analyses and insights. I write about music and the business of music. The term “old soul” is brutally overused. But what else do you call a 20-year-old ...