Butler Little Theatre is presenting “All My Sons” by Arthur Miller through Saturday at the theater at One Howard St. Curtain is at 8:15 p.m. Fridays and Saturdays, 2:30 p.m. Sundays and at 7:30 p.m. Tuesdays, Wednesdays and Thursdays. Tickets are $10. Call 724-287-6781 from 7 and 9 p.m. Mondays through Fridays.

Pittsburgh International Children's Theater presents the Vital Theatre Company in the Pittsburgh premiere of “Angelina Ballerina the Musical” at 5:30 and 7:30 p.m. today at Pine-Richland High School, and at 2 p.m. Sunday at Seneca Valley Senior High School. Tickets are $9.50 in advance and are available by calling 412-456-6666 or online at www.pgharts.org. Tickets are $11 at the door.

Comtra Theatre, Route 19 in Cranberry Township, presents “Cabaret” through Saturday. The musical is directed by Robert Hockenberry. Curtain is at 7:30 p.m. Fridays and Saturdays. Tickets are $15. Reservations can be made at 724-773-9896.

<B>Pittsburgh Public Theater, </B>621 Penn Ave., is hosting a production of Lerner and Loewe's musical “Camelot” through Feb. 20. Tickets are $15.75 to $65.75. Call 412-316-1600 or visit www.ppt.org.<B>Point Park University's Conservatory Theatre Company</B> presents “The Time of Your Life” by William Saroyan from Friday through Feb. 6 at the Pittsburgh Playhouse, 222 Craft Ave. Performances begin at 8 p.m. Thursdays through Saturdays and at 2 p.m. Saturdays and Sundays. Tickets are $18 to $20 and are available by calling 412-392-8000 or visiting www.pitts-burghplayhouse.com.<B>“Nunsense,”</B> the musical about the Little Sisters of Hoboken, is being staged through April 17 at the CLO Cabaret Theater, 655 Penn Ave. Shows are at 7:30 p.m. Wednesdays through Saturdays and at 2 p.m. Saturdays and Sundays. Tickets start at $34.75 and are available by calling 412-456-6666 or visiting www.CLOCabaret.com.