BUTLER TWP — This year's Monster Bash takes place Friday through Sunday and features the world premiere of the completed documentary about special effects master Ray Harryhausen.

Coming from England to premiere the documentary will be Harryhausen's friend, Mark Mawston, who along with Martine Beswick, star of Harryhausen's “One Million Years B.C.,” will introduce the film at 6 p.m. June 22 at the Butler Days Inn, Route 8.

The event theme is “prehistoric monsters” and celebrate films from the silent film era through the 1950s.

Daily admission is $20, and a three-day admission is available for $45. Children younger than 12 are admitted free when accompanied by a paying adult. Call 724-238-4317.

HARMONY — The world premier of a musical tribute to George Rapp's Harmony Society, a commune of Germans who founded Harmony and two other American communities early in the 19th century, will be performed July 14 by saxophonist Sean Murphy.Composer Ruby Fulton of Baltimore wrote “Famous Broken Line,” one of four works that Murphy will play at the 7:30 p.m. concert at Grace Church of Harmony, Main & Mercer streets.The work was commissioned by Historic Harmony, Murphy and Baltimore saxophonist Anna Meadors.The recital is presented by Historic Harmony, the historical society that operates the eight-property Harmony Museum.Admission is free. Call 724-452-7341 or 888-821-4822.

Sing Hosanna! will have its youth production of “The Reluctant Dragon” at 7:30 p.m. June 29 and 30 and 2 p.m. July 1 at the Succop Theater at Butler County Community College.Tickets are $15 for age 11 and older and $10 for age 10 and younger. Tickets are available at May's Music Shoppe, 247 E. Jefferson St.Call 724-287-8362 or 724-285-3653.

Tickets for the Musical Theatre Guild's summer production of “Songs for a New World” by Jason Robert Brown are available at May's Music Shoppe, 247 E. Jefferson St.The summer show has been changed from “Forever Plaid.”“Songs for a New World” will run at 8 p.m. July 13, 14, 20 and 21 and at 3 p.m. July 22 at the William A. Lehnerd Performance Hall in the MTG Production Center in Butler Memorial Park.

SAXONBURG — The Historic Saxonburg Car Cruise returns for four hours of fun from 5 to 9 p.m. Tuesday.Main Street will be closed to through traffic from Rebecca to Pittsburgh streets for the event.The evening will include vintage cars and entertainment.The event is hosted by John Roebling's Historic Saxonburg Society and the Blast from the Past Cruisers.Admission is free for cruise participants, and dash plaques will be given to the first 100 cars.For more information, call 724-816-2599 or visit www.blastfromthepastcruisers.com.Additional car cruises are planned for July 24, Aug. 28 and Sept. 25.In addition, a new Summer Saturday cruise is scheduled for 3 yo 8 p.m. Aug. 25.The season ends with a Halloween cruise from 3 to 6 p.m. Oct. 6.

Moraine State Park in Muddy Creek Township and McConnells Mill State Park in Slippery Rock Township, just over the county line into Lawrence County, have planned numerous programs for the summer.<B>Moraine</B>• Family Fishing, 1 to 4 p.m. Saturday. Families must be pre-registered and should arrive at 1 p.m. Call 724-368-8811.• DiscoverE Children Programs, outdoor learning opportunities for children ages 4 to 12. Call 724-368-3612 or visit www.visitpaparks.com for dates and times.• Evening Paddle from 6 to 8 p.m. July 9, Silver Paddle from 9 to 11 a.m. July 10, and Birds and Brew Paddle from 8:30 to 10:30 a.m. July 21. Admission is free. Call 724-368-3612 to register.• Historic Oil Well Operation, 10 a.m. to 4 p.m. July 14, Aug. 11, Sept. 8 and Oct. 13, at the central powerhouse site beyond the forestry and regional office building on Park Road off Route 528.• Fireflies! at 8 p.m. June 22, meet at Lakeview Beach on the North Shore.• Dog Hike, 10 to 11:30 a.m. July 1, meet at the Pleasant Valley Picnic Area on the South Shore.<B>McConnells Mill</B>• Historic Bread Baking Class, 10 a.m. to 3 p.m. Saturday as well as July 28, Aug. 25 and Sept. 22. Register by calling 724-368-8811.• Art in the Park, 1 to 3 p.m. Sunday and July 1, 15 and 29 and Aug. 19.• A Taste Of History: Dutch Oven Cooking, noon to 4 p.m. July 22, Aug. 19 and Sept. 16 in the gristmill courtyard.• Hell's Hollow Industrial History Hike, 1 to 3 p.m. July 7. Meet at the Hell's Hollow parking lot.For an up-to-date list of program information, visit www.visitpaparks.com or call Moraine at 724-368-8811.

SLIPPERY ROCK — Slippery Rock University's Old Stone House will be the site of a program about what life was like in the late 18th and early 19th centuries from 10 a.m. to 4 p.m. July 14 and 15.Re-enactors of American history will present information and demonstrations on animal trapping and trading, tomahawk and knife throwing, blacksmithing and general survival skills from the frontier days in Western Pennsylvania.The program will focus on travel during the 1750 to 1850s era, including stagecoach stops such as the Old Stone House.A food demonstration and tasting of items from the time period will be offered inside the museum.The program is free, but a $3 per person, or $5 per family, donation is requested.Old Stone House is at the intersection of routes 8, 528 and 173.

Butler Little Theatre has announced the dates for its 2012-13 season.• “A Vampire Reflects” by Frank Semerano (comedy), Oct. 5 to 13• “It’s a Wonderful Life — A Live Radio Play” by Joe Landry (holiday drama), Nov. 23 to Dec. 1• “Italian American Reconciliation” by John Patrick Shanley (comic folktale), Jan. 18 to 26, 2013• “Rabbit Hole” by David Lindsay Abaire (drama), March 15 to 23, 2013• “Fox on the Fairway” by Ken Ludwig, (farce), May 10 to 18, 2013.Call 724-287-6781 for more information.