WTOP's Jason Fraley interviews Emily Saliers of the folk-rock duo Indigo Girls, who will join Melissa Etheridge on a double bill at Wolf Trap in Vienna, Virginia on Aug. 24-25. They discuss the duo's journey from Georgia to the Grammys with transcendent hits like "Galileo" and “Closer to Fine," the latter returning to the zeitgeist last summer in Greta Gerwig’s blockbuster film “Barbie.” (Theme Music: Scott Buckley's "Clarion")

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