 Tensions came to a head in a heated argument between Streisand and Matthau on June 6, 1968, on a hot day in Garrison the day after the assassination of Robert F. Kennedy.Most of the original Broadway production's score was preserved for the film; however, "Just Leave Everything to Me" and "Love Is Only Love" were not in the stage show.Jerry Herman wrote "Just Leave Everything to Me" especially for Streisand; it effectively replaced "I Put My Hand In" from the Broadway production.