Waltz evenings and polka nights
“Gaining access to the inner sanctum of Yankee society was a vital aspiration for Joseph and Rose Kennedy, but by the 1970s these old longings had become anachronistic. To outsiders, the exclusive Brahmin waltz evenings at the Ritz {Hotel} in Boston became equivalent to the polka nights at the Polish clubs.’’
— Richard D. Brown, in Massachusetts: A History