Mangaloreans
... that Mangaloreans hold a Guinness world record for non-stop singing for 40 hours?
... that <b id="mwDX4"><a href="./Mangaloreans" id="mwDX8" rel="mw:WikiLink" title="Mangaloreans">Mangaloreans</a></b> hold a <a href="./Guinness_World_Records" id="mwDYA" rel="mw:WikiLink" title="Guinness World Records">Guinness</a> world record for non-stop singing for 40 hours?