Complex sentence: The Broadway previews began at the Hilton Theatre on March 6,2007, with opening night on April 5; it closed on June 17,2007 after 85 performances and 32 previews.
Split into simpler sentences: The Broadway previews began at the Hilton Theatre on March 6,2007, with opening night on April 5. It closed on June 17,2007 after 85 performances and 32 previews.