South Shore harpist Anne Roos will be joined on stage by local, eighth generation bagpiper Séan Cummings in a lighthearted evening of Celtic music at the Boathouse Theatre at the Tallac Historic Site on the South Shore on July 28.

It’s part of the Valhalla Summer Festival and the fifth year for the Celtic Harp and Bagpipe Concert.

The concert is from 7:30-9pm. Tickets are $15 adu.ts, $12 students-senior-active military, $5 12 and under.

For more information, call (530) 541.4975.