The American Entertainment Holding Company manages the rights for Maurine Watkins' original stage play Chicago. You will likely be required to refer to the play in your advertising as Play Ball nowadays, because the musical rights holder doesn't want there to be any confusion about which play (the straight play or the musical adaptation based on it) you are doing.
Contact:
Elliot S. Blair, Esq.
c/o American Entertainment Holding Company, LLC
600 Madison Ave, 22 Fl
New York, N.Y. 10022
Phone:
Tel: (212) 319-4000 - ext 315
Email: