In 2015, the Indigo Girls were invited by Justin Vernon of Bon Iver to perform Swamp Ophelia in its entirety at the inaugural Eaux Claires festival, which Vernon founded. This album is another humanistic effort from the Indigo Girls' deep and indwelling passions and ideas.' ut the duo also move beyond the sweet and tender by dipping into darker realms.

Saliers and Ray's incredible harmonies are most stylish. The Indigo Girls are no longer afraid to hit upon past relationships and personal emotion. The Allmusic review noted that 'Amy Ray and Emily Saliers continue to hone their signature lush melodies.

Michael Lorant, Jane Siberry, The Roches, Samantha 'Shake' Anderson, Larry Ray Sr.David Davidson, Sheila Doyle, Christian Teal - violin.Jane Scarpantoni, Anthony Lamarchina - cello.Lisa Germano - penny whistle, mandolin, violin.Kim Zick - triangle, snare, tom tom, timpani.Connie Grauer - melodica, bass synthesizer.Mike Batt - string and woodwind arrangement, conductor on 'The Wood Song'.John Mark Painter - baritone guitar, flugelhorn, accordion, string arrangement on 'Touch Me Fall' and 'This Train Revised'.Jerry Marotta - drums, percussion, bongos, African drums, marimba.Emily Saliers - vocals, acoustic, classical and rhythm guitar, bouzouki.Amy Ray - vocals, acoustic and electric guitar.

Indigo girl power of two