those children voice actors sound familiar, where is that audio from?

Ayur/Ljones/Dj Whitesmith/Dj Okawari/Uyama Hiroto

GoldNecklace - Be a Happy Christmas! #3

http://jihwan1955.tistory.com/328

https://itunes.apple.com/us/album/eternal-light/id447848906

Alternative Download Link: http://www.mediafire.com/download.php?bdtmiimi3hdoxdl