I found a comment on YouTube that explains the change from an mm's perspective. "No, they actually did explain it to us. After the Pulse shooting in Florida that occurred earlier that summer along with all the other shootings in the news, the design staff decided that more gun violence really wasn't the solution to anything, so they changed it. Michael Klesch, who arranges the brass book, said that if his son was marching this show or even watching the show, he would want him to take away from it that love and mercy is the answer; not violence. While the new ending isn't nearly as cathartic as the old one, I do believe it was the most mature route to go and I respect the design team a lot for it, even if it may have locked us into 3rd place. I don't think it's fair at all to place all the blame on the percussion for our results."