Alligator
... that with "Alligator", Of Monsters and Men had their second top-ten hit on the Billboard Hot Rock Songs chart and their first number-one on the magazine's Rock Airplay chart?
... that with "<b id="mwag"><a href="./Alligator_(Of_Monsters_and_Men_song)" id="mwaw" rel="mw:WikiLink" title="Alligator (Of Monsters and Men song)">Alligator</a></b>", <a href="./Of_Monsters_and_Men" id="mwbA" rel="mw:WikiLink" title="Of Monsters and Men">Of Monsters and Men</a> had their second top-ten hit on the <i id="mwbQ"><a href="./Billboard_(magazine)" id="mwbg" rel="mw:WikiLink" title="Billboard (magazine)">Billboard</a></i> <a href="./Hot_Rock_&amp;_Alternative_Songs" id="mwbw" rel="mw:WikiLink" title="Hot Rock &amp; Alternative Songs">Hot Rock Songs</a> chart and their first number-one on the magazine's <a class="mw-redirect" href="./Rock_Airplay" id="mwcA" rel="mw:WikiLink" title="Rock Airplay">Rock Airplay</a> chart?