HARRISONBURG, Va.

The Shenandoah Valley Bach Festival on the campus of Eastern Mennonite University starts today and continues through next Sunday. In addition to works by Johann Sebastian Bach, 19th- and 20th-century Russian composers are featured this year. Ken Nafziger is the conductor; guest artists include pianist Janina Fialkowska and cellist John Michel. Films about Canadian pianist Glenn Gould will be screened tomorrow and Thursday at 7:30 p.m. At Eastern Mennonite University, 1200 Park Rd. Concert performance times and venues vary. Tickets range from $5.50 to $16.50. For a complete festival schedule, call 540-432-4367 or visit www.emu.edu/bach.

CODY, Wyo.

The Buffalo Bill Historical Center presents the 18th Annual Plains Indian Museum Powwow June 19-20, celebrating the music, dance and art of Northern Plains tribes. In addition to a dance competition, Native American artists will display traditional quill work and bead designs, as well as contemporary silver jewelry, paintings and sculpture. The festival runs from noon to 8:30 p.m. Saturday and noon to 5 p.m. Sunday. Four museums make up the Buffalo Bill Historical Center, including the Whitney Gallery of Western Art and the Plains Indian Museum. At 720 Sheridan Ave. For information, visit www.bbhc.org or call 307-587-4771.

PHILADELPHIA

The premiere of "Somewhere Over the Rainbow: Yip Harburg's America" runs at the Prince Music Theater through next Sunday. Harburg wrote the words for many classic songs, including "April in Paris," "It's Only a Paper Moon" and the lyrics for the 1939 film "The Wizard of Oz." This musical, unfinished when the artist died in 1981, features contemporary characters who meet on the yellow brick road and go through a crisis that changes their outlook. At the Prince Music Theater, 1412 Chestnut St. Performances today at 3 p.m., Tuesday through Friday at 8 p.m., Saturday at 2 and 8 p.m., and next Sunday at 3 p.m. Ticket prices are $25 to $36. Call 215-569-9700.

CAPTION: A Native American dance competition will be among the arts-related presentations at the Plains Indian Museum Powwow next weekend in Cody, Wyo.