Creator of Team Bucket and leader of the Bucketeers!
The Beatmania Controller used is a custom DJ Dao with Sanwa Buttons and Omron Microswitches. See http://www.gamo2.com/en/ for details.
The PDf controller is the Hatsune Miku Arcade Mini, imported from Japan. Check Amazon.com for listings.
Please take this 100-follower special poll: http://strawpoll.me/3413273