Bethel Park -- Celebrate America, a musical tribute to the nation, will be performed at 8 p.m. July 10, 11 and 18 at Crowne Plaza Theatre, 164 Fort Couch Road. Dinner will be served at 6:30 p.m. Dinner theater package tickets are $38. 724-746-1178.

Elizabeth Borough -- Missoula Children's Theatre will perform "The Little Mermaid" at 3 and 7 p.m. July 11 at the Grand Theatre, 207 Second Ave. $8. 412-384-0504.

Mt. Lebanon -- Meg Barnhouse will perform at 7 p.m. Wednesday at Unitarian Universality Church, 1240 Washington Road. $10.

Rostraver -- Childbirth preparation classes will be held from 7 to 9 p.m. Wednesdays, next week through July 29 at the Mon-Vale HealthPLEX. The four-week series includes classes on pain medication options, relaxation techniques, signs of labor and more. Details and registration, 724-258-2229.

Baldwin Borough -- Baldwin Borough Public Library will hold these programs:

• "Green Music Fun," 11 a.m. to 12:30 p.m., July 11. Make an instrument from a recycled container.

• Library Family Picnic, 6 to 8 p.m., July 13.

• Iron Chef Competition, 6:30 to 7:30 p.m., July 15. For teens.

Registration due one week prior to events. Details and registration: www.baldwinborolibrary.org or 412-885-2255.

Castle Shannon -- The Jonas Brothers' concert will be shown on the big screen at 6:30 p.m. Tuesday at Castle Shannon Library. Call 412-563-4552 to register.

Jefferson Hills -- "Alice in Wonderland" will be discussed among high school students from 2 to 4 p.m. July 14 at Jefferson Hills Library. New symbolism can be discovered and a tea party will be held afterward. Register by next Thursday.

Mt. Lebanon -- Mt. Lebanon Public Library will hold these programs:

• Discover Darwin, 10 a.m., Tuesday. Darwin's activities, relationships, ideas, publications and subsequent controversies will be discusses.

• Make Your Own Ringtone, 1:30 p.m., Tuesday. For middle and high school students. Materials provided.

• Spanish Fiestas, 1:30 p.m. Wednesday. Kids in grades 1-3 are invited for Spanish festivities led by Spanish teachers from the Mt. Lebanon School District.

Details or registration: www.mtlebanonlibrary.org or 412-531-1912.

South Park -- South Park Township Library will host Uncle Mike, who will perform polkas for the younger set, at 10 a.m. Tuesday in the Community Center. Details or registration: www.southpark.org or 412-833-5585.

Whitehall -- Whitehall Public Library will hold a Middle Eastern Dance Class from 10 to 11:30 a.m. July 11. Children ages 8-14 are invited to learn basic movements. Movements will be put together into a short choreographed routine by the end of the session. Registration required at the library desk with $5 payment by July 10. 412-882-6622.

Bethel Park -- The Association of University People, a singles organization serving college graduates over age 50, will hold a picnic at 4 p.m. Saturday at 2688 Santa Barbara Drive. Reservations due today. $5. 412-833-7049.

Finleyville -- St. Peter's Episcopal Church, Brentwood, will hold its annual golf outing "The Episcopalian Open -- All Denominations Welcome" on Aug. 1 at Scenic Valley Gold Course, 681 Church Hill Road. $75 per person, $300 per team. Registration due July 16. 412-884-5225.

Scott -- Hilltoppers of Scott will meet at 10 a.m. Wednesday in Covenant-Community Presbyterian Church, 1630 Greentree Road. Bring a brown bag lunch to eat at noon. Business meeting at 12:45 p.m., followed by a program with Dennis Walsh, manager of Community Services for Hospice, who will speak about "Five Wishes" at 1:15 p.m. Call 412-341-8640.