This is the first production of the GCP 55th season with the musical Oklahoma opening Friday night, Oct. 27 at 7:30 p.m. Performances continue this weekend on Oct. 28 at 2:30 and 7:30 p.m. Sunday Oct. 29 is at 2:30 only. The following weekend has the same schedule with a 7:30 p.m. performance on Nov. 3, performances at 2:30 and 7:30 Nov.4 and closes with a matinee on Sunday at 2:30.