BUTLER TWP — The Butler Notables Barbershop Chorus will present a "Musical Potpourri" at 7:30 p.m. Saturday at the Succop Theatre at Butler County Community College.

Groups to be featured are Renaissance Rhythm Chorus and The Five of Us.

Call 724-789-7057 for more information.

CABOT — Concordia Lutheran Ministries will host a public open house for its assisted living accommodations from 1:30 to 3:30 p.m. Sunday at the Lund Care Center.There will be many assisted living units available in the care center, as current Haven I residents move into their new facility in July. The event is free and open to the community; refreshments will be available.For more information, contact the director of admissions at 724-352-1571, Ext. 8295, or visit concordialm.org.

ZELIENOPLE — The Zelienople Public Library will host a series of songwriting workshops in June. Local songwriter and performer Dennis McCurdy will lead the workshops from 6:30 to 7:45 p.m. Monday and June 16 and 30 at the library, 227 S. High St. Call 724-452-9330 to register.

MARS — Donations for the Mars Public Library's summer used book sale are being accepted. The library is accepting hardbacks, paperbacks, children's books, audiobooks, movies, and music CDs. Magazines, textbooks and condensed books cannot be used. Sale dates are June 17 through 21.For more information, call 724-625-9048.

The Butler YWCA will hold a free summer program for children who have completed first grade through fourth grade. The program will be held from 10 a.m. to noon June 17 through July 31 at the YWCAon West Cunningham Street.It will include recreation, crafts, socialization, instructional support and reading and writing enhancement.Call 724-287-5709 for more information.

BUTLER TWP — Butler County Special Olympics will hold its fourth annual auction and community day at noon June 22 at the Butler Township Park on South Duffy Road.The event includes a live auction, Chinese auction, food, games, a bake sale and entertainment by country singer Sarah Wilson.All proceeds benefit Butler County Special Olympics. For more information, call 724-352-9506.

The Reality Tour, a drug awareness program for youth ages 10 and older when accompanied by a parent or guardian, will be held at 6 p.m. June 9 at the Butler YWCA, 120 W. Cunningham St.Registration is required and forms are available at www.realitytour.org. For more information, e-mail carolgreen@candleinc.org or call 724-679-6612. Group reservations are available by request.