A video produced by the Massachusetts Democratic Party suggests US Sen. Scott Brown has been mis-speaking a lot when it comes to meeting with kings and queens.

During a radio interview on Thursday, Brown said he regularly holds secret meetings with kings and queens and prime ministers. His campaign later issued a statement saying he misspoke when he said kings and queens.

But in the state Democratic party’s YouTube video, set to the Abba tune “Dancing Queen,” Brown is shown talking about meetings with kings and queens at events with voters in Wakefield, the Berkshires, on Martha’s Vineyard, and in Sandwich.  Party officials say the comments were caught on tape by a tracker employed by the Democrats.

Bruce Mohl oversees the production of content and edits reports, along with carrying out his own reporting with a particular focus on transportation, energy, and climate issues. He previously worked...