The Tree-O ladies’ quartet will perform live in concert on Saturday, Nov. 11th, 2 p.m., at the Dolphin Playhouse on Newmark Ave. in the Empire District of Coos Bay. A suggested $10 donation will go to the Coos Art Museum. Tickets available at the door. For reservations call (541) 808-2611. Advance tickets at thedolphinplayhouse.com