Complex sentence: The scene in which Seymour proposes to Audrey originally contained the reprise of "Suddenly, Seymour", this scene was re-shot and the reprise was placed later in the new ending.
Split into simpler sentences: The scene in which Seymour proposes to Audrey originally contained the reprise of "Suddenly, Seymour". This scene was re-shot and the reprise was placed later in the new ending.