kornの歌ってみた一覧@ニコニコ動画 | 歌い手DB
https://nicodb.jp/u/bgm/detail/1635615
ryryoja-jphttp://blogs.law.harvard.edu/tech/rss1：Walk off the Earth (Feat_ Doggies) - Little Drummer Boy
https://www.nicovideo.jp/watch/sm22337253
2：KRNFX (Bruno Mars) - Locked Out Of Heaven
https://www.nicovideo.jp/watch/sm21103009
3：Walk off the Earth feat. KRNFX (Bruno Mars) - Natalie
https://www.nicovideo.jp/watch/sm21102918
4：Walk off the Earth feat. KRNFX - I Knew You Were Trouble
https://www.nicovideo.jp/watch/sm19743966