Here is another video of Compilation of Servants Laughter in SONG version. ENJOY & listen IT FOR HOURS for HEAVEN'S FEEL
Great Advice For Health: Watch or listen to this if/when you are feeling down , sad or unhappy XD IT HEALS YOU NO JK
【FGO 原本】サーヴァント達に笑い声だけで歌ってもらった コメ付き
Credits to Original Uplaoder:
http://www.bilibili.com/video/av10463374/?from=search&seid=1047959799028942605
Here's the thumbnail I personally edited:
https://www.facebook.com/RandyAlterReviews/photos/pcb.251282878682602/251282582015965/?type=3&theater