Musical Theatre Guild presents “Suds — the Rocking '60s Musical Soap Opera” at 8 p.m. Friday and Saturday and at 3 p.m. Sunday at William A. Lehnerd MTG Production Center in Butler Memorial Park. Tickets are $17 at Mays Music Shoppe, 247 E. Jefferson St.

Comtra Theatre, Route 19 in Cranberry Township, presents the French farce “Boeing, Boeing” through Saturday. Tickets are $12. Curtain is at 7:30 p.m. Fridays and Saturdays. Call 724-591-8727.

Freeport Theatre Festival presents “Battle of Bushy Run,” a new historical drama written by Rennick Steele, at 7 p.m. Friday through Sunday at the theater on the Steele Farm at 2498 White Cloud Road, two miles south of Freeport off Route 356 in Allegheny Township, Westmoreland County. Tickets range from $10 to $15. Call 724-295-1934.New Castle Playhouse, 212 E. Long Ave., New Castle, is presenting the musical “Sweet Charity” at 7:30 p.m. Friday and Saturday and at 2 p.m. Sunday. Tickets are $15 for adults, $12 for senior citizens age 60 and older, and $10 for children age 12 and younger. Call 724-654-3437.

Pittsburgh CLO continues the summer season with “Buddy — The Buddy Holly Story” Tuesday through Aug. 4 at the Benedum Center, 719 Liberty Ave. Call 412-281-2822.Quantum Theatre presents the premiere by an American company of Britain's “Mnemonic” at 8 p.m. Sunday at the Kirkwood Building, 215 N. Highland Ave. Tickets range from $36 to $49 with some $18 student tickets available. Call 412-362-1713 .“Side By Side By Sondheim” runs through Aug. 18 at the Cabaret at Theater Square, 655 Penn Ave. Most performances begin at 7:30 p.m. Wednesdays through Saturdays and 2 p.m. Saturdays and Sundays. Tickets range from $34.75 to $44.75 and are available by calling 412-456-6666.