The Butler County Symphony Association concludes its season "The Dream of America" with a concert at 7:30 p.m. Saturday at the Butler Intermediate High School auditorium, 551 Fairground Hill Road.

The concert with the theme "Hear Us Now" will feature pianist Mihae Lee.

Focusing on our home state, the program opens with "Symphony No, 1" by Pennsylvania born composer Samuel Barber. Four Butler County native composers, Peter Moribito, Jim Pugh, Jim Sanzotti and Chuck Widdersheim, each contributed one movement to create a new work titled "Butler County Suite."

Tickets cost $15 in advance or $18 at the door; all student tickets are $5.

Call 724-283-1402 or visit the Web site at www.butlersymphony.org.

The symphony association's annual meeting is scheduled for 7:30 p.m. May 4 at the symphony office, 259 S. Main St.

"Photography Noir" opens Friday at The Art Center, 344 S. Main St. A reception begins at 7 p.m.The juried show will be exhibited in the Underground Gallery through May 13.Classes this weekend include: for children, Crazy Hair Portraits (pastel), age 3 and older, noon to 1:30 p.m. Saturday, cost is $7.50; Magic Chain Box, age 3 and older, 1:30 to 2:30 p.m. Saturday, cost is $5; and For Anyone Who Ever Wanted to Paint, age 8 through adult, 2 to 4 p.m. Saturday and May 1, 8, 15, 22 and 29, cost is $60.

NEW CASTLE — The musical "Brigadoon" opens April 30 at Augustine Auditorium of the New Castle Playhouse, 212 E. Long Ave.Curtain is at 7:30 p.m. Fridays and Saturdays with Sunday matinees at 2 p.m. Performances continue through May 16.Tickets are $15 for adults and $12 for senior citizens age 60 and older and students, and $10 for children age 12 and younger.Call 724-654-3437 between 9 a.m. and 4 p.m. weekdays.

HAMPTON TWP — A new theater group opens with "At Home at the Zoo" by Edward Albee, a three-time Pulitzer Prize winner.The Ghostlight Theatre Troupe of Gibsonia presents the adults-only show at 8 p.m. May 14, 15, 20, 21 and 22 in the Money Concepts building, 5061 William Flynn Highway.Tickets are $15 for adults and $10 for senior citizens. Free parking is available.For reservations, call 724-444-8844.

UNIVERSITY PARK — Two-time winner of the Academy of Country Music award for Entertainer of the Year, Carrie Underwood, performs Nov. 13 at the Bryce Jordan Center at Penn State University.The first female to win the award twice, Underwood will perform with Billy Currington and Sons of Sylvia.Tickets go on sale at 10 a.m. Saturday online at www.ticketmaster.com or www.bjc.psu.edu or by phone at 814-865-5555.Underwood will be donating 36 cents of every ticket sold to Save the Children's United States Programs.

PITTSBURGH — The Gallery Crawl is a free quarterly showcase of art and entertainment in the Cultural District.The event takes place from 5:30 to 9 p.m. Friday, and patrons may start at any location.For more information and a map of events, call 412-456-6666 or visit www.pgharts.org.

PENN TWP — Sing Hosanna! presents a dinner and tea party May 9 in the Penn Christian Academy auditorium, 199 W. Airport Road.A silent auction preview will begin at 4 p.m. followed by dinner at 4:30 p.m.Entertainment will be a concert by Hearts to Heaven featuring Kim Gaiser, Sherry O'Donnell, Dale Riemer and Kim Wick.Tickets cost $20 per adult and $7 per child age 10 and younger and are available at May's Music Shoppe, 247 E. Jefferson St.Reservations are required by May 5.

PITTSBURGH — If only for a day, several museums will have free admission as the Association of Art Museum Directors celebrates International Museum Day.Admission is free May 18 at the Frick Art and Historical Center, 7227 Reynolds Street in the Point Breeze neighborhood of Pittsburgh; on May 20 from 3:30 to 8 p.m. at the Carnegie Museums of Art and Natural History, 4400 Forbes Ave.; and May 22 from 11 a.m. to 5 p.m. at the Westmoreland Museum of American Art, 221 N. Main St., Greensburg.On May 18, the Frick will offer free admission for docent tours of Clayton, the restored turn-of-the-20th-century home of the Henry Clay Frick family, for which there is usually a cost. Admission to the Art Museum and the Car and Carriage Museum will be free, as always. Reservations may be made by calling 412-371-0600 between 9 a.m. and 5 p.m.A comprehensive list of participating museums will be available at the Web site www.aamd.org/newsroom.

SLIPPERY ROCK — Jennings Environmental Education Center hosts a one-hour presentation on "Trees and Forests of America" with photographer and writer Tim Palmer at 2 p.m. May 2 at the center, Route 528 near the intersection of routes 8 and 173.Palmer will present his slide show of forests based on his new book of photography of Pennsylvania, Alaska, Florida and forests in between.Jennings is open from 8 a.m. to 4 p.m. weekdays and on weekends as scheduled. The trails are open daily from sunrise to sunset.Call 724-794-6011 to confirm programs.A spring wildflower walk is planned for 2 p.m. May 9.

PITTSBURGH — The Western Pennsylvania Gardening & Landscaping Symposium will be held 8 a.m. to 4 p.m. Saturday at Chatham University.Attendees will be treated to a day of presentations by nationally known educators and authors. A free garden marketplace featuring hard-to-find plants and gardening accessories is planned in Chatham's Athletic and Fitness Center.The fee for the symposium is $110, and breakfast and lunch are included. There is no charge to visit the garden marketplace. Call 412-441-4442, Ext. 3925.

PITTSBURGH — Tickets to Pittsburgh Civic Light Opera's summer season will be available Monday.The season of musicals includes "Oliver!" June 1 to 6; "Miss Saigon," June 8 to 20; "Curtains," June 22 to 27; "The Producers," July 6 to 18; "Hairspray," July 20 to Aug. 1, and "The Student Prince," Aug. 3 to 8.Tickets start at $20.50. Half-priced tickets to select performances of "Oliver!" are available for children ages 3 to 14. Full and partial season subscriptions are available.Tickets will be available online at www.pittsburghCLO.org and by calling 412-456-6666.

FOXBURG — The dogwood trees are blooming early so the Dogwood Days tours have been changed to May 2 at Allegheny RiverStone Center for the Arts.Gates open at 9 a.m. Entry fee from 9 a.m. to 2 p.m. will be $12 for adults and $6 for children younger than 12. This fee includes a pancake and sausage brunch and tours by carriage or wagon.The entry fee from 2 to 4 p.m. will be $6 for adults and $3 for children.For more information, visit www.alleghenyriverstone.org or call 412-894-8749 or 724-867-0031.