house concerts
... that some house concerts in 1930s Harlem were used as covers for illicit sex?
... that some <b id="mwHbs"><a href="./House_concert" id="mwHbw" rel="mw:WikiLink" title="House concert">house concerts</a></b> in 1930s <a href="./Harlem" id="mwHb0" rel="mw:WikiLink" title="Harlem">Harlem</a> were used as covers for illicit sex?