Amy Ray , who is one-half of the Indigo Girls duo, has always leaned toward the rockier side of folk-rock, but neither "folk" nor "rock" fully describes the breadth of her solo work. It's infused with a Southern punk feel she likes to call "subversiveness with a smile." On the next “Musician’s Spotlight,” Amy Ray returns to chat with host John Floridis about her most recent recording Holler , and to reflect on her decades-long career.