Halloween song
... that "Thriller" is the most popular Halloween song in the United States?
... that "<a href="./Thriller_(song)" id="mwBQE" rel="mw:WikiLink" title="Thriller (song)">Thriller</a>" is the most popular <b id="mwBQI"><a href="./Halloween_music" id="mwBQM" rel="mw:WikiLink" title="Halloween music">Halloween song</a></b> in the United States?