Complex sentence: She moved to New York City after graduating and, in August 2004, she made her Broadway debut in the show as the standby for Glinda, before taking over the lead role from Jennifer Laura Thompson on May 31,2005.
Split into simpler sentences: She moved to New York City after graduating and, in August 2004, she made her Broadway debut in the show as the standby for Glinda. Hilty took over the lead role from Jennifer Laura Thompson on May 31,2005.