These Kids Do Know How To Sing Hallelujah! Which One Is The Best?

<p id="watch-headline-title" class="yt"><span id="eow-title" class="watch-title long-title yt-uix-expander-head" title="Battle: Hallelujah (Leonard Cohen) | The Voice Kids 2014" dir="ltr">Battle: Hallelujah (Leonard Cohen) | The Voice Kids 2014</span></p>