Indigo Girls: Amy Ray, left, and Emily Saliers started singing together at their high school more than 30 years ago.
Indigo Girls: Amy Ray, left, and Emily Saliers started singing together at their high school more than 30 years ago.
Indigo Girls: Amy Ray, left, and Emily Saliers started singing together at their high school more than 30 years ago.

Indigo Girls: Sisters are 'the quintessential yin and yang'

November 13, 2011 12:00 AM

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