Opened on March 31, 1943. Closed May 29, 1948 after 2,212 performances — 5.2 years. A Special Tony Award in 1993 for the show's 50th anniversary Oklahoma! is a musical written by the duo of Rodgers and Hammerstein. Based on Lynn Riggs's 1931 play Green Grow the Lilacs, it is set in farm country outside the town of Claremore, Indian Territory, in 1906, and tells the story of farm girl Laurey Williams and her courtship by rival suitors, cowboy Curly McLain and the frightening farmhand Jud Fry. A secondary romance concerns cowboy Will Parker and his flirtatious fiancée, Ado Annie. Wiki link