Comtra Theatre, Route 19 in Cranberry Township, will present the musical "Sweeney Todd" from Jan. 9 to 17. Curtain is at 7:30 p.m. Fridays and Saturdays. Admission is $12 for plays and $15 for musicals. Box office opens at 6:45 p.m. the day of the show. Call 724-773-9896.

<B>"Jersey Boys,"</B> the musical story of Frankie Valli and The Four Seasons, will make its Pittsburgh premiere starting Wednesday and running through Feb. 1 at the Benedum Center, 719 Liberty Ave. The performance schedule is 7:30 p.m. Tuesdays through Thursdays; 8 p.m. Fridays; 2 and 8 p.m. Saturdays; and 1 and 6:30 p.m. Sundays. A 1 p.m. matinee will also be presented on Jan. 8. Tickets start at $27.50. Call 412-456-4800 or visit the Web sites, www.JerseyBoysInfo.com or pct-arts.org.<B>Comedian Jerry Seinfeld</B> will present stand up comedy at 7 p.m. Saturday at the Benedum Center, 719 Liberty Ave. Tickets range from $49 to $79. Call 412-456-6666.<B>The Backstage Bar and Cabaret at Theater Square</B>, a project of The Pittsburgh Cultural Trust, in Theater Square at 655 Penn Ave., is staging "I Love You, You're Perfect, Now Change," through Feb. 1, at the CLO Cabaret, 655 Penn Ave. Performances start at 7:30 p.m. Wednesdays through Saturdays, at 2 p.m. Saturdays and Sundays and at 1 p.m. select Thursdays, except some holiday dates in November, December and January. Tickets are $39.50 for evenings or $34.50 for matinees. Call 412-456-6666 or visit the Web site, CLOcabaret.com.