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The “Thelonious Monk International Jazz Competition” continues its annual search for instrumental and compositional excellence, focusing this year on guitar and bass. Nine musicians performing on each instrument will compete in the semifinals, and the finalists will be judged the following evening by bassists Charlie Haden, Milt Hinton, and Percy Heath, and guitarists Pat Metheny, John Scofield, and Mark Whitfield. At the finals, Heath will receive the Maria Fischer Award, Anthony Wilson (who will perform his original title “Karaoke”) will be given the BIM Composers Award, and there will be a 75th-birthday salute to trumpeter-fluegelhornist Clark Terry by an all-star band including trumpeter Wynton Marsalis, pianist Tommy Flanagan, bassist Milt Hinton, and trombonist Al Grey. Semifinals are from 11 a.m.-6 p.m. today at the University of the District of Columbia’s Auditorium, 4200 Connecticut Ave. NW. FREE. (202) 364-7272; the final program takes place at 7:30 p.m. Monday at the Kennedy Center Concert Hall. $7.50-25. (202) 467-4600. (Reuben Jackson)