UPPERVILLE COLT AND HORSE SHOW

This year marks the 151st anniversary of the oldest horse show in the United States, involving more than 2,000 horse and rider combinations that include young children on ponies and Olympic and World Cup competitors. Today-Sunday, horse show grounds, Route 50, Upperville. Gates open at 8 a.m. daily. Benefits local charities. Food available for purchase. $10; ages 11 and younger accompanied by an adult, free. 540-253-5760 or www.upperville.com.

"BELMONT RIDGE SALUTES THE USO"

Come see and hear Frank Sinatra, Sammy Davis, Jr. and Shirley Temple. More than 70 students from Belmont Ridge Middle School will take on the personality of a movie star from the 1940s in a show created and directed by Martha Lynch. There will be dancing, patriotic music and skits. 7 p.m. tomorrow and Saturday, 19045 Upper Belmont Pl., Leesburg. $5. Veterans or active military who wear any part of their uniform will receive $1 off the ticket price. 703-669-1450.

AIR FORCE RHYTHM IN BLUE CONCERT

The 18-member USAF Rhythm in Blue Jazz Ensemble, the official jazz ensemble of the USAF Heritage of America Band, plays the classics of Duke Ellington, Count Basie, Stan Kenton and Glenn Miller, as well as the contemporary sounds of Pat Metheny, Toshiko Akiyoshi and Bob Mintzer. The ensemble gives a free concert at 7 p.m. Wednesday in the Rice Theater, Highland School Center for the Arts, 597 Broadview Ave., Warrenton. Tickets available at the school, Fauquier Bank or Wachovia Securities. Ticket-holders will be seated until 6:45 p.m. Those without tickets will be seated afterward. 540-347-1221.