The Butler County Symphony Association will host its annual meeting at 7:30 p.m. Tuesday at the office, 259 S. Main St.

The meeting is open to anyone who has contributed $10 or more to the association.

The meeting will include the election of board members and officers. For information, call 724-283-1402.

DONEGAL TWP — The Donegal Grange, 851 E. Slippery Rock Road, will host an open house from 2 to 6 p.m. Sunday.The event will include games for children and information for adults. The citizen of the year award will also be presented and members will be making apple butter.For details, call 724-445-2325.

JEFFERSON TWP — A YogaStretch class, designed by the creators of SilverSneakers, is being offered at Concordia Lutheran Ministries for any interested community members.The class, which meets at 9:30 a.m. Mondays in the Haven III ground floor activity room, provides options for increasing muscular endurance, balance, and restorative breathing.The class is appropriate for individuals who are fit, as well as those who are less mobile.

Dr. Jack Demos, plastic and reconstructive surgeon, will speak about breast reconstruction and post-surgical issues following breast cancer surgery at the next Butler Breast Cancer Support Group meeting.The meeting will be held at 7 p.m. Tuesday in classroom 5 at Butler Memorial Hospital.

PENN TWP — The second annual Concordia Lutheran Ministries fashion show will be held May 5 at Butler Country Club, Country Club Road.The event, themed "Spring Fiesta," will include lunch, a basket auction and a fashion show by Fashions by Phyllis. Attendees will be able to purchase attire and accessories.The event begins with registration at 10:30 a.m. A basket auction and shopping will be available until the beginning of lunch at 11:45 a.m. The fashion show will begin at 1:30 p.m.Tickets are $25 each and are available by calling Dorothy Blankenbuehler at 724-352-4308 or Concordia at 724-352-1571, Ext. 8266. Reservations are due Monday.Proceeds from the event will benefit Concordia's capital campaign.

MUDDY CREEK TWP — The program "The Legacy of Fossil Fuels" will be held at 10 a.m. Saturday at Moraine State Park.Participants will meet the park naturalist at the Davis Hollow public launch. Those attending should be prepared to drive to other park locations.A program on ticks and Lyme disease will be held at 2 p.m. Sunday at the park. Participants should meet at the Sunken Garden Trailhead on the park's south shore.