Disclaimer: I am not getting paid to advertise or promote these artist. I'm doing it out of my own interest.
(Work in Progress)
niconico: http://www.nicovideo.jp/user/15104449
Official Site: http://hachiojip.net/
He also has a twitter account and facebook check his youtube channel for more info
youtube: https://www.youtube.com/user/HoneyWorks56410/videos
niconico: http://www.nicovideo.jp/user/59387
Official Site: http://honeyworks.jp/
youtube: https://www.youtube.com/channel/UCQcboHvGXFE5vuy2AK2MUOg
Official site: http://livetune.jp/
youtube: https://www.youtube.com/user/LamazeP
niconico: http://www.nicovideo.jp/user/2523470