It’s time for sentimental pirates, crazy cops, gleeful maidens, an incompetent Major General, and a spirited chorus to tread the boards, as Lamplighters Music Theater opens its 2010-2011 season July 29 with the comedic Gilbert and Sullivan favorite The Pirates of Penzance. Its jokes, which have tickled funny bones for over 130 years, are still funny. That is, thanks to the impeccable timing and expertise of actors/singers in a company that remains one of the foremost Gilbert and Sullivan repertory troupes in the U.S.