The name of the Beatles meant nothing to Lucius, but then it wouldn't, seeing as they were quite muggle. Not within his usual purview. But that didn't matter, as far as being a polite guest went.
"We would be delighted to make their acquaintance, naturally, so that we may thank them for our invitation." One hand on his wife, the other on his serpent-headed cane, Lucius Malfoy cut quite the distinguished figure.
He hoped that he and Narcissa would find an opportunity to dance with one another this night. Those sorts of chances tended to be few and far between, and getting less so, what with Voldemort's ever demanding agenda.