Legendary artists and longtime friends Joan Baez, Mary Chapin Carpenter, Amy Ray and Emily Saliers will share the stage in a special group performance as Four Voices.
Indigo Girls fan pre-sale: Tuesday, February 21 at 10AM ET
Presale Link: http://bit.ly/2llxKby
Presale Password: FOURVOICES
Public On-Sale: Friday, February 24 at 10AM ET