HARMONY The Harmony Museum will hold its German buffet at 4:30 and 6:30 p.m. Saturday at Stewart Hall.

The buffet will include stuffed pork, meatballs in caper sauce, assorted sausages, dandelion salad, asparagus, glazed carrots, German potato salad, spaetzle, red cabbage, potatoes, applesauce and a dessert assortment. Tea and coffee will be available for those who don't take their own German beverage.

Proceeds benefit the museum. For reservations, call the museum office at 724-452-7341.

CABOT Concordia Medical Equipment will host a free expanded CPAP/BI-LEVEL expo from 10 a.m. to 6 p.m. April 20 at the Concordia at Cabot campus on Marwood Road.The expo will cover respiratory equipment including modern CPAPs, CPAP masks/supplies, bi-levels, oxygen concentrators, portable oxygen concentrators and small nebulizers. Experts will be available to provide free CPAP pressure checks, sleep apnea screenings, and mask fittings and evaluations.Visitors are encouraged to take a prescription if they already have one, or call in advance to receive information on obtaining a prescription. Refreshments will be available and vendors will hold free drawings.For information, call 724-352-1100.

CRANBERRY TWP The Cranberry Genealogy club will host an introduction to genealogy session at 7 p.m. April 22 at the Cranberry Municipal Library conference room, 2525 Rochester Road.Tim Roscoe, president of the club, will be the presenter.

BUTLER TWP Lifesteps' Adult Day Health Services will host a doll show and teddy bear tea from 1 to 4 p.m. April 23 at Lifesteps' central program facility on New Castle Road, west of the Moraine Pointe Plaza.Children and the public will have an opportunity to vote for their favorite doll or teddy bear. Refreshments will be served.For information, call Lifesteps at 724-283-1010.

AMBRIDGE The Old Economy Village will present a woodworking workshop from 9 a.m. to 2:30 p.m. April 25.Craftsman Ron Lawrence of Cherry Tree Studios will help participants learn traditional skills as well as modern-day techniques.Registration and payment is required by April 17 and lunch is included in the admission fee.Call 724-266-4500, Ext. 101, to register. Space is limited to the first 20 registrants.

ZELIENOPLE The friends of the Zelienople Public Library Grow campaign will begin at 7 p.m. April 27 at the library, 227 S. High St.Those interested in joining the group formed to volunteer, raise funds and advocate for library programs should attend the meeting.For information, call 724-452-9330.