The folk supergroup I’m With Her performs at Groton Hill Music Center in Groton, Massachusetts, bringing their blend of contemporary Americana and traditional roots music to a regional concert setting. Formed by Aoife O’Donovan, Sara Watkins, and Sarah Jarosz, the trio is known for tight vocal harmonies, instrumental virtuosity, and collaborative songwriting. The performance highlights their acoustic arrangements and close-knit interplay, making it a notable event for fans of singer-songwriter and roots music.