Entrancing a cappella harmonies rang out over the harbor in the soft sunshine of a September evening.

Four members of the Haines Threshold Singers met on the lawn next to the Presbyterian Church Monday to practice singing soothing songs like “Rest Easy,” “So Many Angels” and “Hollow Bamboo.”

The threshold singers are a group of mostly women who sing at the bedside or in the home of people who are “at the thresholds of life,”…