"In this April 26, 2013 photo, choreographer Gemze de Lappe center, directs cast members during a rehearsal of Rodgers and Hammerstein's ""Oklahoma!"" at the Lyric Opera of Chicago. De Lappe first danced in ""Oklahoma!"" in 1943 as a member of the Broadway hit's first national touring company and now 70 years later at age 91 she's choreographing a production of the musical at the Lyric. (AP Photo/M. Spencer Green)"
{}