The full soundtrack for Rock Band 3 will feature 83 songs, including a mix of tracks that will make use of the new keyboard peripheral. Prior to the 2010 Gamescom convention in mid August, 2010, Harmonix had officially revealed about 50 of the songs in the game; however, inadvertently during a video interview at the conference, most of the remaining set list was determined from a Rock Band 3 demonstration screen showing the song list in the game in the background of this interview. The next day, Harmonix members, including John Drake and Dan Sussman, created a makeshift video from Gamescom, officially rejecting the reliability of the list from the previous interview, asserting themselves as "communication professionals" that would "never accidently leak" the full setlist—while at the same