Amy Ray and Emily Saliers founded the the Grammy Award-winning band the Indigo Girls. They will play at the Calvin Theater in Northampton on March 1. They have earned a reputation for outstanding concerts. Ray and Saliers founded, with Native American activist Wynona LaDuke, Honor the Earth, an environmental group: www.honorearth.org.
Other winners of Grammy Awards include U2 and Bob Dylan. The March 1 concert starts at 8 p.m. Tickets are available from www.iheg.com.