Premise: Kiss of the Spider Woman is a musical with music by John Kander and Fred Ebb, with the book by Terrence McNally. It is based on the Manuel Puig novel "El Beso de la Mujer Araña". The musical had runs in the West End (1992) and Broadway (1993) and won the 1993 Tony Award for Best Musical.
Hypothesis: John Kander and Fred Ebb became best of friends while working on the music for Kiss of the Spider Woman.