MUDDY CREEK TWP — The Regatta at Lake Arthur is being held Saturday and Sunday at Moraine State Park.

Water, air and land events along with live entertainment, craft and food vendors, children's activities, homemade sailboats, and canoe, kayak and sailboat races are planned.

Fireworks over the lake are set for Saturday night.

Admission and parking are free. For information, visit www.lakearthurregatta.org.

BUTLER TWP — The Summer Dramatics Project presents “Seussical the Musical” at 7:30 p.m. today through Saturday and at 2 p.m. Sunday at the Succop Theatre at Butler County Community College.Summer Dramatics is for youths ages 10 to 24.Tickets are $12 and $10 and available at May's Music Shoppe. For information, call 724-287-4214 or 724-355-9647.

BUTLER TWP — Hobnob Theatre Company presents Shakespeare's “A Midsummer Night's Dream” at 6:30 p.m. Friday, Saturday and Sunday and Aug. 8, 9 and 10 outdoors at Preston Park, 415 S. Eberhart Road.Wear comfortable shoes and take seating. Tickets are $10 and available at the park on the day of show or at www.hobnobtheatre.com.

The Butler Public Library and Thompson-Miller Funeral Home will host three concerts at the library, 218 N. McKean St.The “Music in the Courtyard” series will be held outdoors in the library courtyard.The concert scheduled for Aug. 24 will feature “Tom Panei & Friends” playing folk, country and rock tunes.On Sept. 21, TMG Jazztette will play jazz and pop tunes. The Oct. 19 concert will feature The Rumblers playing oldies.Concerts are 2 to 4 p.m. Admission is free.

SLIPPERY ROCK TWP, Lawrence County — 3MJC, the Moraine McConnells Mill Jennings Commission, will host a picnic dinner at 6 p.m. Aug. 20 at the Kildoo Pavilion at McConnells Mill State Park.Take a covered dish to share along with your own place setting. Iced tea and water will be provided.A tour of the gristmill will be held after dinner. For information, call 724-724-368-8811.

The Maridon Museum will host a build-a-horse children's activity at 10 a.m. Aug. 15 at the museum, 322 N. McKean St.Cost is $6 per child, with additional children in same family at $4. Cost includes a snack and the materials to make a stick horse.Children ages 3 to 6 may participate and must be accompanied by an adult. Reservations are required by Aug. 8. Call 724-282-0123.

ELDERTON — The Tri County Country Music Association will have a car cruise and flea market from noon to 5 p.m. Aug. 17 at the Elderton Towne Hall, Route 422.Registration for the cruise is noon to 1 p.m. followed by the show.Cost is $20 including food, or $10 not including food. The group will use funds raised to help people in need.For information, call Carol or Pete at 724-352-3118.

PITTSBURGH — Phipps Conservatory and Botanical Gardens will offer free admission Monday thanks to a grant from the Jack Buncher Foundation.Hours are 9:30 a.m. and 5 p.m. For information, call 412-622-6914 or visit phipps.conservatory.org.

GIBSONIA — Greater Harmony Chorus, an award-winning Sweet Adelines chorus based in the North Hills, will host a Summer Singing Festival from 7 to 9 p.m. Aug. 19 at Deer Creek Presbyterian Church, 33 Bairdford Road.The festival will offer an introduction to what Sweet Adelines is all about — from the barbershop singing style to costumes and competitions. There will be games, prizes, giveaways, ice cream and dancing in addition to singing.For information, call 412-613-9800 or visit www.greaterharmony.org.