Harmonix is going all out with the trailers for Rock Band 3, first there was the DS trailer yesterday, and today that is followed by a look at how the keys will work when the game ships October 26th. Check it out.
http://www.youtube.com/watch?v=RnMMTWVeLYg
[Rock Band 3]-$59.99(PS3, Xbox 360, and Wii) and $29.99(DS)