With just three weeks until the World Championships, all of DCI's member corps are constantly "cleaning" their programs, trying to achieve perfection. Dan Potter finds out what goes into the process of cleaning a full ensemble in today's edition of the Field Pass presented by Zildjian. Download and listen. (MP3, 06:50, 6.27 MB) Have a Field Pass question, comment or request? Leave a message for Dan Potter by phone at 317.275.1212 x40 or by e-mail at email@example.com. Subscribe to this podcast through iTunes. Become a fan of the Field Pass on Facebook. Visit Zildjian.com. Field Pass archive.