During Chip Kelly's Wednesday press conference, Eagles radio play by play man Merrill Reese noted that he had observed that the Eagles were playing the Vikings' horn sound during practice. Reese asked Kelly if that was an effort to get the players acclimated to the crowd noise/environment in Minnesota.
Here's what the Vikings' horn sounds like:
Chip replied, "I thought it was the horn from Anchorman, when he calls for his guys, and they were all standing right next him."
In case you've never seen Anchorman (in which case you're a Communist), here's what Chip was referring to:
Chip Kelly is pretty much the king of press conferences.