Opened at the Princess Theatre on November 27, 1918. Ran 189 performances, to about May 1919. Oh, My Dear! was a musical comedy in two acts with book and lyrics by Guy Bolton and P. G. Wodehouse, and music by Louis A. Hirsch. It premiered under the direction of Robert Milton and Edward Royce at the Princess Theatre on Broadway on November 27, 1918, produced by William Elliott and F. Ray Comstock and ran for 189 performances, closing on May 10, 1919. The story takes place at Dr. Rockett's Health Farm in the State of New York. Wiki link