Alice in Chains guitarist Jerry Cantrell opened up Ubisoft's E3 media briefing tonight. There's to be a new jam mode called Sessions in Rocksmith 2014, where your band will react to you as you play, as well as a host of other tweaks and improvements to the formula that has resonated so strongly with gamers following the release of the first iteration of the the game, which is described as the fastest way to learn how to play guitar. It's to be released on October 13.
Just Dance 2014 was later shown during the conference, although that game was leaked earlier in the day, and you can read about it here.