Take Note

The fourth time was a charm for the Indigo Girls, the Grammy-winning folk-rock duo.

The singers played to their teenage fans at a public auditorium in South Carolina after their appearances were canceled by administrators at three high schools this month.

Both the duo's sexual orientation and lyrics became issues for officials at two schools in Tennessee and one in South Carolina. Amy Ray and Emily Saliers, who make up the Indigo Girls, are openly gay, and their lyrics include some profanity. The Atlanta-based group had planned to kickstart their summer tour by performing a free, acoustic concert at each school with time set aside for a...