an Entity references as follows:
Rocky the Musical (originally Rocky: Das Musical) is a 2012 musical with music by Stephen Flaherty, lyrics by Lynn Ahrens, and a book by Thomas Meehan and Sylvester Stallone, based on the 1976 film of the same name written by Stallone. The show held its world premiere in Hamburg in 2012 and opened on Broadway in 2014 at the Winter Garden Theatre.