Opened at the Ethel Barrymore Theatre on February 14, 1991. Closed April 14, 1991 after 68 performances — 59 days. Mule Bone: A Comedy of Negro Life is a 1930 play by American authors Langston Hughes and Zora Neale Hurston. The process of writing the play led Hughes and Hurston, who had been close friends, to sever their relationship. Mule Bone was not staged until 1991, when it was produced in New York City by the Lincoln Center Theater. Wiki link