Flight attendant took a guitar and gave a special service, I'd never expected this!

<p id="watch-headline-title" class="yt"><span id="eow-title" class="watch-title long-title" title="Flight Attendant Robynn Shayne breaks out &amp;quot;Royals&amp;quot;" dir="ltr">Flight Attendant Robynn Shayne breaks out "Royals"</span></p>