Comtra Theatre, Route 19 in Cranberry Township, will present the musical "Sweeney Todd" from Friday through Jan. 17 at the theater on Route 19. 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>Pittsburgh International Children's Theater</B> presents Theatreworks USA's production of "Nate the Great" from Sunday, through Jan. 18 at five area locations. The 50-minute musical highlights the importance of teamwork and friendship alongside young Nate, the latest and greatest in the grand tradition of crime-solving detectives. The show will go on at 2 p.m. Sunday at the Byham Theater, 101 Sixth St.; at 5:30 and 7:30 p.m. Jan. 15 at Pine-Richland High School; at 7 p.m. Jan. 16 at Moon Senior High School; at 11 a.m. and 2 p.m. Jan. 17 at Mt. Lebanon High School; and at 2 p.m. Jan. 18, at Gateway High School. Individual tickets are $11. Call 412-456-6666 or visit www.pgharts.org or <B>"Jersey Boys,"</B> the musical story of Frankie Valli and The Four Seasons, is making its Pittsburgh premiere 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. Tickets start at $27.50. Call 412-456-4800 or visit the Web sites, www.JerseyBoysInfo.com or pct-arts.org.<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.